20129252

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{2707}}^1$

素因数の和:2748

約数の個数: 36

約数和(自身を含む): 41627376

約数和(自身を除く): 21498124

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 169, 286, 338, 572, 676, 1859, 2707, 3718, 5414, 7436, 10828, 29777, 35191, 59554, 70382, 119108, 140764, 387101, 457483, 774202, 914966, 1548404, 1829932, 5032313, 10064626, 20129252]

約数ペア:

[(1, 20129252), (2, 10064626), (4, 5032313), (11, 1829932), (13, 1548404), (22, 914966), (26, 774202), (44, 457483), (52, 387101), (143, 140764), (169, 119108), (286, 70382), (338, 59554), (572, 35191), (676, 29777), (1859, 10828), (2707, 7436), (3718, 5414)]