20120110915

素因数分解:

$5^1\times {\mathrm{199}}^1\times {\mathrm{2549}}^1\times {\mathrm{7933}}^1$

素因数の和:10686

約数の個数: 16

約数和(自身を含む): 24278040000

約数和(自身を除く): 4157929085

約数列:

[1, 5, 199, 995, 2549, 7933, 12745, 39665, 507251, 1578667, 2536255, 7893335, 20221217, 101106085, 4024022183, 20120110915]

約数ペア:

[(1, 20120110915), (5, 4024022183), (199, 101106085), (995, 20221217), (2549, 7893335), (7933, 2536255), (12745, 1578667), (39665, 507251)]