20525736

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{383}}^1$

素因数の和:439

約数の個数: 128

約数和(自身を含む): 66355200

約数和(自身を除く): 45829464

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 21, 22, 24, 28, 29, 33, 42, 44, 56, 58, 66, 77, 84, 87, 88, 116, 132, 154, 168, 174, 203, 231, 232, 264, 308, 319, 348, 383, 406, 462, 609, 616, 638, 696, 766, 812, 924, 957, 1149, 1218, 1276, 1532, 1624, 1848, 1914, 2233, 2298, 2436, 2552, 2681, 3064, 3828, 4213, 4466, 4596, 4872, 5362, 6699, 7656, 8043, 8426, 8932, 9192, 10724, 11107, 12639, 13398, 16086, 16852, 17864, 21448, 22214, 25278, 26796, 29491, 32172, 33321, 33704, 44428, 50556, 53592, 58982, 64344, 66642, 77749, 88473, 88856, 101112, 117964, 122177, 133284, 155498, 176946, 233247, 235928, 244354, 266568, 310996, 353892, 366531, 466494, 488708, 621992, 707784, 733062, 855239, 932988, 977416, 1466124, 1710478, 1865976, 2565717, 2932248, 3420956, 5131434, 6841912, 10262868, 20525736]

約数ペア:

[(1, 20525736), (2, 10262868), (3, 6841912), (4, 5131434), (6, 3420956), (7, 2932248), (8, 2565717), (11, 1865976), (12, 1710478), (14, 1466124), (21, 977416), (22, 932988), (24, 855239), (28, 733062), (29, 707784), (33, 621992), (42, 488708), (44, 466494), (56, 366531), (58, 353892), (66, 310996), (77, 266568), (84, 244354), (87, 235928), (88, 233247), (116, 176946), (132, 155498), (154, 133284), (168, 122177), (174, 117964), (203, 101112), (231, 88856), (232, 88473), (264, 77749), (308, 66642), (319, 64344), (348, 58982), (383, 53592), (406, 50556), (462, 44428), (609, 33704), (616, 33321), (638, 32172), (696, 29491), (766, 26796), (812, 25278), (924, 22214), (957, 21448), (1149, 17864), (1218, 16852), (1276, 16086), (1532, 13398), (1624, 12639), (1848, 11107), (1914, 10724), (2233, 9192), (2298, 8932), (2436, 8426), (2552, 8043), (2681, 7656), (3064, 6699), (3828, 5362), (4213, 4872), (4466, 4596)]