20647589186

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{271}}^1\times {\mathrm{187661}}^1$

素因数の和:187970

約数の個数: 32

約数和(自身を含む): 36751726080

約数和(自身を除く): 16104136894

約数列:

[1, 2, 7, 14, 29, 58, 203, 271, 406, 542, 1897, 3794, 7859, 15718, 55013, 110026, 187661, 375322, 1313627, 2627254, 5442169, 10884338, 38095183, 50856131, 76190366, 101712262, 355992917, 711985834, 1474827799, 2949655598, 10323794593, 20647589186]

約数ペア:

[(1, 20647589186), (2, 10323794593), (7, 2949655598), (14, 1474827799), (29, 711985834), (58, 355992917), (203, 101712262), (271, 76190366), (406, 50856131), (542, 38095183), (1897, 10884338), (3794, 5442169), (7859, 2627254), (15718, 1313627), (55013, 375322), (110026, 187661)]