20674268

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{163}}^1\times {\mathrm{857}}^1$

素因数の和:1061

約数の個数: 24

約数和(自身を含む): 37429392

約数和(自身を除く): 16755124

約数列:

[1, 2, 4, 37, 74, 148, 163, 326, 652, 857, 1714, 3428, 6031, 12062, 24124, 31709, 63418, 126836, 139691, 279382, 558764, 5168567, 10337134, 20674268]

約数ペア:

[(1, 20674268), (2, 10337134), (4, 5168567), (37, 558764), (74, 279382), (148, 139691), (163, 126836), (326, 63418), (652, 31709), (857, 24124), (1714, 12062), (3428, 6031)]