Q: What is the sum of all factors of the number 20,503,836 excluding 20,503,836?

A: 34,375,716

Why is 34,375,716 the sum of all factors of 20,503,836, excluding 20,503,836?

The factors of the number 20,503,836 are: 1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 153, 204, 306, 612, 33503, 67006, 100509, 134012, 201018, 301527, 402036, 569551, 603054, 1139102, 1206108, 1708653, 2278204, 3417306, 5125959, 6834612, 10251918, 20503836.

If you add them up, you will get the total of 20,503,870. Now subtract 20,503,836 to get 34,375,716