Q: What is the sum of all factors of the number 203,890 excluding 203,890?
A: 163,130
The factors of the number 203,890 are: 1, 2, 5, 10, 20389, 40778, 101945, 203890.
If you add them up, you will get the total of 204,053. Now subtract 203,890 to get 163,130