20040666

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1\times {\mathrm{449}}^1$

素因数の和:670

約数の個数: 32

約数和(自身を含む): 41342400

約数和(自身を除く): 21301734

約数列:

[1, 2, 3, 6, 43, 86, 129, 173, 258, 346, 449, 519, 898, 1038, 1347, 2694, 7439, 14878, 19307, 22317, 38614, 44634, 57921, 77677, 115842, 155354, 233031, 466062, 3340111, 6680222, 10020333, 20040666]

約数ペア:

[(1, 20040666), (2, 10020333), (3, 6680222), (6, 3340111), (43, 466062), (86, 233031), (129, 155354), (173, 115842), (258, 77677), (346, 57921), (449, 44634), (519, 38614), (898, 22317), (1038, 19307), (1347, 14878), (2694, 7439)]