15656020

素因数分解:

$2^2\times 5^1\times {\mathrm{613}}^1\times {\mathrm{1277}}^1$

素因数の和:1899

約数の個数: 24

約数和(自身を含む): 32957064

約数和(自身を除く): 17301044

約数列:

[1, 2, 4, 5, 10, 20, 613, 1226, 1277, 2452, 2554, 3065, 5108, 6130, 6385, 12260, 12770, 25540, 782801, 1565602, 3131204, 3914005, 7828010, 15656020]

約数ペア:

[(1, 15656020), (2, 7828010), (4, 3914005), (5, 3131204), (10, 1565602), (20, 782801), (613, 25540), (1226, 12770), (1277, 12260), (2452, 6385), (2554, 6130), (3065, 5108)]