20183501920

素因数分解:

$2^5\times 5^1\times {\mathrm{311}}^1\times {\mathrm{587}}^1\times {\mathrm{691}}^1$

素因数の和:1604

約数の個数: 96

約数和(自身を含む): 47987686656

約数和(自身を除く): 27804184736

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 311, 587, 622, 691, 1174, 1244, 1382, 1555, 2348, 2488, 2764, 2935, 3110, 3455, 4696, 4976, 5528, 5870, 6220, 6910, 9392, 9952, 11056, 11740, 12440, 13820, 18784, 22112, 23480, 24880, 27640, 46960, 49760, 55280, 93920, 110560, 182557, 214901, 365114, 405617, 429802, 730228, 811234, 859604, 912785, 1074505, 1460456, 1622468, 1719208, 1825570, 2028085, 2149010, 2920912, 3244936, 3438416, 3651140, 4056170, 4298020, 5841824, 6489872, 6876832, 7302280, 8112340, 8596040, 12979744, 14604560, 16224680, 17192080, 29209120, 32449360, 34384160, 64898720, 126146887, 252293774, 504587548, 630734435, 1009175096, 1261468870, 2018350192, 2522937740, 4036700384, 5045875480, 10091750960, 20183501920]

約数ペア:

[(1, 20183501920), (2, 10091750960), (4, 5045875480), (5, 4036700384), (8, 2522937740), (10, 2018350192), (16, 1261468870), (20, 1009175096), (32, 630734435), (40, 504587548), (80, 252293774), (160, 126146887), (311, 64898720), (587, 34384160), (622, 32449360), (691, 29209120), (1174, 17192080), (1244, 16224680), (1382, 14604560), (1555, 12979744), (2348, 8596040), (2488, 8112340), (2764, 7302280), (2935, 6876832), (3110, 6489872), (3455, 5841824), (4696, 4298020), (4976, 4056170), (5528, 3651140), (5870, 3438416), (6220, 3244936), (6910, 2920912), (9392, 2149010), (9952, 2028085), (11056, 1825570), (11740, 1719208), (12440, 1622468), (13820, 1460456), (18784, 1074505), (22112, 912785), (23480, 859604), (24880, 811234), (27640, 730228), (46960, 429802), (49760, 405617), (55280, 365114), (93920, 214901), (110560, 182557)]