Q: What is the sum of all factors of the number 15,000,020 excluding 15,000,020?
A: 21,220,780
The factors of the number 15,000,020 are: 1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 307, 349, 614, 698, 1228, 1396, 1535, 1745, 2149, 2443, 3070, 3490, 4298, 4886, 6140, 6980, 8596, 9772, 10745, 12215, 21490, 24430, 42980, 48860, 107143, 214286, 428572, 535715, 750001, 1071430, 1500002, 2142860, 3000004, 3750005, 7500010, 15000020.
If you add them up, you will get the total of 15,000,041. Now subtract 15,000,020 to get 21,220,780