20512690524

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{1999}}^1\times {\mathrm{9829}}^1$

素因数の和:11867

約数の個数: 72

約数和(自身を含む): 53671800000

約数和(自身を除く): 33159109476

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 116, 174, 261, 348, 522, 1044, 1999, 3998, 5997, 7996, 9829, 11994, 17991, 19658, 23988, 29487, 35982, 39316, 57971, 58974, 71964, 88461, 115942, 117948, 173913, 176922, 231884, 285041, 347826, 353844, 521739, 570082, 695652, 855123, 1043478, 1140164, 1710246, 2086956, 2565369, 3420492, 5130738, 10261476, 19648171, 39296342, 58944513, 78592684, 117889026, 176833539, 235778052, 353667078, 569796959, 707334156, 1139593918, 1709390877, 2279187836, 3418781754, 5128172631, 6837563508, 10256345262, 20512690524]

約数ペア:

[(1, 20512690524), (2, 10256345262), (3, 6837563508), (4, 5128172631), (6, 3418781754), (9, 2279187836), (12, 1709390877), (18, 1139593918), (29, 707334156), (36, 569796959), (58, 353667078), (87, 235778052), (116, 176833539), (174, 117889026), (261, 78592684), (348, 58944513), (522, 39296342), (1044, 19648171), (1999, 10261476), (3998, 5130738), (5997, 3420492), (7996, 2565369), (9829, 2086956), (11994, 1710246), (17991, 1140164), (19658, 1043478), (23988, 855123), (29487, 695652), (35982, 570082), (39316, 521739), (57971, 353844), (58974, 347826), (71964, 285041), (88461, 231884), (115942, 176922), (117948, 173913)]