Q: What is the sum of all factors of the number 20,425 excluding 20,425?
A: 6,855
The factors of the number 20,425 are: 1, 5, 19, 25, 43, 95, 215, 475, 817, 1075, 4085, 20425.
If you add them up, you will get the total of 20,431. Now subtract 20,425 to get 6,855