Q: What is the sum of all factors of the number 20,503 excluding 20,503?
A: 3,977
The factors of the number 20,503 are: 1, 7, 29, 101, 203, 707, 2929, 20503.
If you add them up, you will get the total of 20,506. Now subtract 20,503 to get 3,977