20471454

素因数分解:

$2^1\times 3^4\times {\mathrm{107}}^1\times {\mathrm{1181}}^1$

素因数の和:1302

約数の個数: 40

約数和(自身を含む): 46339128

約数和(自身を除く): 25867674

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 107, 162, 214, 321, 642, 963, 1181, 1926, 2362, 2889, 3543, 5778, 7086, 8667, 10629, 17334, 21258, 31887, 63774, 95661, 126367, 191322, 252734, 379101, 758202, 1137303, 2274606, 3411909, 6823818, 10235727, 20471454]

約数ペア:

[(1, 20471454), (2, 10235727), (3, 6823818), (6, 3411909), (9, 2274606), (18, 1137303), (27, 758202), (54, 379101), (81, 252734), (107, 191322), (162, 126367), (214, 95661), (321, 63774), (642, 31887), (963, 21258), (1181, 17334), (1926, 10629), (2362, 8667), (2889, 7086), (3543, 5778)]