31830020

素因数分解:

$2^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{6659}}^1$

素因数の和:6907

約数の個数: 24

約数和(自身を含む): 67132800

約数和(自身を除く): 35302780

約数列:

[1, 2, 4, 5, 10, 20, 239, 478, 956, 1195, 2390, 4780, 6659, 13318, 26636, 33295, 66590, 133180, 1591501, 3183002, 6366004, 7957505, 15915010, 31830020]

約数ペア:

[(1, 31830020), (2, 15915010), (4, 7957505), (5, 6366004), (10, 3183002), (20, 1591501), (239, 133180), (478, 66590), (956, 33295), (1195, 26636), (2390, 13318), (4780, 6659)]