20978075518

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{101}}^1\times {\mathrm{113}}^1\times {\mathrm{421}}^1$

素因数の和:733

約数の個数: 64

約数和(自身を含む): 33563989440

約数和(自身を除く): 12585913922

約数列:

[1, 2, 37, 59, 74, 101, 113, 118, 202, 226, 421, 842, 2183, 3737, 4181, 4366, 5959, 6667, 7474, 8362, 11413, 11918, 13334, 15577, 22826, 24839, 31154, 42521, 47573, 49678, 85042, 95146, 220483, 246679, 422281, 440966, 493358, 673367, 844562, 919043, 1346734, 1573277, 1760201, 1838086, 2508739, 2806807, 3146554, 3520402, 4804873, 5017478, 5613614, 9609746, 24914579, 49829158, 92823343, 103851859, 177780301, 185646686, 207703718, 283487507, 355560602, 566975014, 10489037759, 20978075518]

約数ペア:

[(1, 20978075518), (2, 10489037759), (37, 566975014), (59, 355560602), (74, 283487507), (101, 207703718), (113, 185646686), (118, 177780301), (202, 103851859), (226, 92823343), (421, 49829158), (842, 24914579), (2183, 9609746), (3737, 5613614), (4181, 5017478), (4366, 4804873), (5959, 3520402), (6667, 3146554), (7474, 2806807), (8362, 2508739), (11413, 1838086), (11918, 1760201), (13334, 1573277), (15577, 1346734), (22826, 919043), (24839, 844562), (31154, 673367), (42521, 493358), (47573, 440966), (49678, 422281), (85042, 246679), (95146, 220483)]