20785644

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{52489}}^1$

素因数の和:52510

約数の個数: 36

約数和(自身を含む): 57319080

約数和(自身を除く): 36533436

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 396, 52489, 104978, 157467, 209956, 314934, 472401, 577379, 629868, 944802, 1154758, 1732137, 1889604, 2309516, 3464274, 5196411, 6928548, 10392822, 20785644]

約数ペア:

[(1, 20785644), (2, 10392822), (3, 6928548), (4, 5196411), (6, 3464274), (9, 2309516), (11, 1889604), (12, 1732137), (18, 1154758), (22, 944802), (33, 629868), (36, 577379), (44, 472401), (66, 314934), (99, 209956), (132, 157467), (198, 104978), (396, 52489)]