20542644

素因数分解:

$2^2\times 3^2\times {\mathrm{151}}^1\times {\mathrm{3779}}^1$

素因数の和:3940

約数の個数: 36

約数和(自身を含む): 52284960

約数和(自身を除く): 31742316

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 151, 302, 453, 604, 906, 1359, 1812, 2718, 3779, 5436, 7558, 11337, 15116, 22674, 34011, 45348, 68022, 136044, 570629, 1141258, 1711887, 2282516, 3423774, 5135661, 6847548, 10271322, 20542644]

約数ペア:

[(1, 20542644), (2, 10271322), (3, 6847548), (4, 5135661), (6, 3423774), (9, 2282516), (12, 1711887), (18, 1141258), (36, 570629), (151, 136044), (302, 68022), (453, 45348), (604, 34011), (906, 22674), (1359, 15116), (1812, 11337), (2718, 7558), (3779, 5436)]