20111885080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{4217}}^1\times {\mathrm{17033}}^1$

素因数の和:21268

約数の個数: 64

約数和(自身を含む): 51731576640

約数和(自身を除く): 31619691560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 4217, 8434, 16868, 17033, 21085, 29519, 33736, 34066, 42170, 59038, 68132, 84340, 85165, 118076, 119231, 136264, 147595, 168680, 170330, 236152, 238462, 295190, 340660, 476924, 590380, 596155, 681320, 953848, 1180760, 1192310, 2384620, 4769240, 71828161, 143656322, 287312644, 359140805, 502797127, 574625288, 718281610, 1005594254, 1436563220, 2011188508, 2513985635, 2873126440, 4022377016, 5027971270, 10055942540, 20111885080]

約数ペア:

[(1, 20111885080), (2, 10055942540), (4, 5027971270), (5, 4022377016), (7, 2873126440), (8, 2513985635), (10, 2011188508), (14, 1436563220), (20, 1005594254), (28, 718281610), (35, 574625288), (40, 502797127), (56, 359140805), (70, 287312644), (140, 143656322), (280, 71828161), (4217, 4769240), (8434, 2384620), (16868, 1192310), (17033, 1180760), (21085, 953848), (29519, 681320), (33736, 596155), (34066, 590380), (42170, 476924), (59038, 340660), (68132, 295190), (84340, 238462), (85165, 236152), (118076, 170330), (119231, 168680), (136264, 147595)]