Q: What is the sum of all factors of the number 47,905 excluding 47,905?
A: 20,639
The factors of the number 47,905 are: 1, 5, 11, 13, 55, 65, 67, 143, 335, 715, 737, 871, 3685, 4355, 9581, 47905.
If you add them up, you will get the total of 47,925. Now subtract 47,905 to get 20,639