20365380

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{2309}}^1$

素因数の和:2338

約数の個数: 108

約数和(自身を含む): 71891820

約数和(自身を除く): 51526440

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 420, 441, 490, 588, 630, 735, 882, 980, 1260, 1470, 1764, 2205, 2309, 2940, 4410, 4618, 6927, 8820, 9236, 11545, 13854, 16163, 20781, 23090, 27708, 32326, 34635, 41562, 46180, 48489, 64652, 69270, 80815, 83124, 96978, 103905, 113141, 138540, 145467, 161630, 193956, 207810, 226282, 242445, 290934, 323260, 339423, 415620, 452564, 484890, 565705, 581868, 678846, 727335, 969780, 1018269, 1131410, 1357692, 1454670, 1697115, 2036538, 2262820, 2909340, 3394230, 4073076, 5091345, 6788460, 10182690, 20365380]

約数ペア:

[(1, 20365380), (2, 10182690), (3, 6788460), (4, 5091345), (5, 4073076), (6, 3394230), (7, 2909340), (9, 2262820), (10, 2036538), (12, 1697115), (14, 1454670), (15, 1357692), (18, 1131410), (20, 1018269), (21, 969780), (28, 727335), (30, 678846), (35, 581868), (36, 565705), (42, 484890), (45, 452564), (49, 415620), (60, 339423), (63, 323260), (70, 290934), (84, 242445), (90, 226282), (98, 207810), (105, 193956), (126, 161630), (140, 145467), (147, 138540), (180, 113141), (196, 103905), (210, 96978), (245, 83124), (252, 80815), (294, 69270), (315, 64652), (420, 48489), (441, 46180), (490, 41562), (588, 34635), (630, 32326), (735, 27708), (882, 23090), (980, 20781), (1260, 16163), (1470, 13854), (1764, 11545), (2205, 9236), (2309, 8820), (2940, 6927), (4410, 4618)]