Q: What is the sum of all factors of the number 20,781,470 including 20,781,470?

Why is 39,536,640 the sum of all factors of 20,781,470, including 20,781,470?

The factors of the number 20,781,470 are: 1, 2, 5, 10, 31, 43, 62, 86, 155, 215, 310, 430, 1333, 1559, 2666, 3118, 6665, 7795, 13330, 15590, 48329, 67037, 96658, 134074, 241645, 335185, 483290, 670370, 2078147, 4156294, 10390735, 20781470.

If you add them up, you will get the total of 39,536,640.

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