Q: What is the sum of all factors of the number 221,020 excluding 221,020?
A: 255,764
The factors of the number 221,020 are: 1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 257, 430, 514, 860, 1028, 1285, 2570, 5140, 11051, 22102, 44204, 55255, 110510, 221020.
If you add them up, you will get the total of 221,275. Now subtract 221,020 to get 255,764