20215684

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{167}}^1\times {\mathrm{571}}^1$

素因数の和:795

約数の個数: 24

約数和(自身を含む): 36324288

約数和(自身を除く): 16108604

約数列:

[1, 2, 4, 53, 106, 167, 212, 334, 571, 668, 1142, 2284, 8851, 17702, 30263, 35404, 60526, 95357, 121052, 190714, 381428, 5053921, 10107842, 20215684]

約数ペア:

[(1, 20215684), (2, 10107842), (4, 5053921), (53, 381428), (106, 190714), (167, 121052), (212, 95357), (334, 60526), (571, 35404), (668, 30263), (1142, 17702), (2284, 8851)]