20215368

素因数分解:

$2^3\times 3^2\times {\mathrm{280769}}^1$

素因数の和:280781

約数の個数: 24

約数和(自身を含む): 54750150

約数和(自身を除く): 34534782

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 280769, 561538, 842307, 1123076, 1684614, 2246152, 2526921, 3369228, 5053842, 6738456, 10107684, 20215368]

約数ペア:

[(1, 20215368), (2, 10107684), (3, 6738456), (4, 5053842), (6, 3369228), (8, 2526921), (9, 2246152), (12, 1684614), (18, 1123076), (24, 842307), (36, 561538), (72, 280769)]