20347684

素因数分解:

$2^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{109}}^1\times {\mathrm{113}}^1$

素因数の和:292

約数の個数: 48

約数和(自身を含む): 42134400

約数和(自身を除く): 21786716

約数列:

[1, 2, 4, 7, 14, 28, 59, 109, 113, 118, 218, 226, 236, 413, 436, 452, 763, 791, 826, 1526, 1582, 1652, 3052, 3164, 6431, 6667, 12317, 12862, 13334, 24634, 25724, 26668, 45017, 46669, 49268, 86219, 90034, 93338, 172438, 180068, 186676, 344876, 726703, 1453406, 2906812, 5086921, 10173842, 20347684]

約数ペア:

[(1, 20347684), (2, 10173842), (4, 5086921), (7, 2906812), (14, 1453406), (28, 726703), (59, 344876), (109, 186676), (113, 180068), (118, 172438), (218, 93338), (226, 90034), (236, 86219), (413, 49268), (436, 46669), (452, 45017), (763, 26668), (791, 25724), (826, 24634), (1526, 13334), (1582, 12862), (1652, 12317), (3052, 6667), (3164, 6431)]