Q: What is the sum of all factors of the number 20,421,028 excluding 20,421,028?
A: 15,373,304
The factors of the number 20,421,028 are: 1, 2, 4, 677, 1354, 2708, 7541, 15082, 30164, 5105257, 10210514, 20421028.
If you add them up, you will get the total of 20,421,043. Now subtract 20,421,028 to get 15,373,304