20809614530

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{617}}^1\times {\mathrm{177511}}^1$

素因数の和:178154

約数の個数: 32

約数和(自身を含む): 39492869760

約数和(自身を除く): 18683255230

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 617, 1234, 3085, 6170, 11723, 23446, 58615, 117230, 177511, 355022, 887555, 1775110, 3372709, 6745418, 16863545, 33727090, 109524287, 219048574, 547621435, 1095242870, 2080961453, 4161922906, 10404807265, 20809614530]

約数ペア:

[(1, 20809614530), (2, 10404807265), (5, 4161922906), (10, 2080961453), (19, 1095242870), (38, 547621435), (95, 219048574), (190, 109524287), (617, 33727090), (1234, 16863545), (3085, 6745418), (6170, 3372709), (11723, 1775110), (23446, 887555), (58615, 355022), (117230, 177511)]