20259668

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{35419}}^1$

素因数の和:35447

約数の個数: 24

約数和(自身を含む): 41653920

約数和(自身を除く): 21394252

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 572, 35419, 70838, 141676, 389609, 460447, 779218, 920894, 1558436, 1841788, 5064917, 10129834, 20259668]

約数ペア:

[(1, 20259668), (2, 10129834), (4, 5064917), (11, 1841788), (13, 1558436), (22, 920894), (26, 779218), (44, 460447), (52, 389609), (143, 141676), (286, 70838), (572, 35419)]