20112355

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{1667}}^1$

素因数の和:1818

約数の個数: 16

約数和(自身を含む): 25620480

約数和(自身を除く): 5508125

約数列:

[1, 5, 19, 95, 127, 635, 1667, 2413, 8335, 12065, 31673, 158365, 211709, 1058545, 4022471, 20112355]

約数ペア:

[(1, 20112355), (5, 4022471), (19, 1058545), (95, 211709), (127, 158365), (635, 31673), (1667, 12065), (2413, 8335)]