Q: What is the sum of all factors of the number 20,515,021 excluding 20,515,021?
A: 13,491
The factors of the number 20,515,021 are: 1, 1747, 11743, 20515021.
If you add them up, you will get the total of 20,515,034. Now subtract 20,515,021 to get 13,491