20173868

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{2713}}^1$

素因数の和:2754

約数の個数: 36

約数和(自身を含む): 41719608

約数和(自身を除く): 21545740

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 169, 286, 338, 572, 676, 1859, 2713, 3718, 5426, 7436, 10852, 29843, 35269, 59686, 70538, 119372, 141076, 387959, 458497, 775918, 916994, 1551836, 1833988, 5043467, 10086934, 20173868]

約数ペア:

[(1, 20173868), (2, 10086934), (4, 5043467), (11, 1833988), (13, 1551836), (22, 916994), (26, 775918), (44, 458497), (52, 387959), (143, 141076), (169, 119372), (286, 70538), (338, 59686), (572, 35269), (676, 29843), (1859, 10852), (2713, 7436), (3718, 5426)]