Six is called a perfect number because its factors (not including 6) add up to itself. Eg. 1+2+3=6. How many perfect numbers are there in the numbers between 20 and 30.

Question

anonymous · Answer

well try to find factors of numbers between 20 and 30
for example i know that 28 is a perfect number because
28=1+2+4+7+14

jiteshmeghwal9 · Answer

The no ending with 2,3,7,8 are never a perfect square so . the no. ending with 2,3,7,8 btw 20 are nt perfect square

anonymous · Answer

@HelpMePlease!!! 
can u find factors of 24?

helpmeplease!!! · Answer

Thank you mukushla, I believe that you are correct saying that 28 is a perfect number.

anonymous · Answer

welcome