20866524

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1$

素因数の和:219

約数の個数: 96

約数和(自身を含む): 58544640

約数和(自身を除く): 37678116

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 43, 53, 84, 86, 106, 109, 129, 159, 172, 212, 218, 258, 301, 318, 327, 371, 436, 516, 602, 636, 654, 742, 763, 903, 1113, 1204, 1308, 1484, 1526, 1806, 2226, 2279, 2289, 3052, 3612, 4452, 4558, 4578, 4687, 5777, 6837, 9116, 9156, 9374, 11554, 13674, 14061, 15953, 17331, 18748, 23108, 27348, 28122, 31906, 32809, 34662, 40439, 47859, 56244, 63812, 65618, 69324, 80878, 95718, 98427, 121317, 131236, 161756, 191436, 196854, 242634, 248411, 393708, 485268, 496822, 745233, 993644, 1490466, 1738877, 2980932, 3477754, 5216631, 6955508, 10433262, 20866524]

約数ペア:

[(1, 20866524), (2, 10433262), (3, 6955508), (4, 5216631), (6, 3477754), (7, 2980932), (12, 1738877), (14, 1490466), (21, 993644), (28, 745233), (42, 496822), (43, 485268), (53, 393708), (84, 248411), (86, 242634), (106, 196854), (109, 191436), (129, 161756), (159, 131236), (172, 121317), (212, 98427), (218, 95718), (258, 80878), (301, 69324), (318, 65618), (327, 63812), (371, 56244), (436, 47859), (516, 40439), (602, 34662), (636, 32809), (654, 31906), (742, 28122), (763, 27348), (903, 23108), (1113, 18748), (1204, 17331), (1308, 15953), (1484, 14061), (1526, 13674), (1806, 11554), (2226, 9374), (2279, 9156), (2289, 9116), (3052, 6837), (3612, 5777), (4452, 4687), (4558, 4578)]