Q: What is the sum of all factors of the number 20,121,309 excluding 20,121,309?
A: 11,352,861
The factors of the number 20,121,309 are: 1, 3, 9, 13, 39, 117, 169, 507, 1521, 13229, 39687, 119061, 171977, 515931, 1547793, 2235701, 6707103, 20121309.
If you add them up, you will get the total of 20,121,320. Now subtract 20,121,309 to get 11,352,861