20163984896

素因数分解:

$2^9\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{123457}}^1$

素因数の和:123515

約数の個数: 80

約数和(自身を含む): 45467112240

約数和(自身を除く): 25303127344

約数列:

[1, 2, 4, 8, 11, 16, 22, 29, 32, 44, 58, 64, 88, 116, 128, 176, 232, 256, 319, 352, 464, 512, 638, 704, 928, 1276, 1408, 1856, 2552, 2816, 3712, 5104, 5632, 7424, 10208, 14848, 20416, 40832, 81664, 123457, 163328, 246914, 493828, 987656, 1358027, 1975312, 2716054, 3580253, 3950624, 5432108, 7160506, 7901248, 10864216, 14321012, 15802496, 21728432, 28642024, 31604992, 39382783, 43456864, 57284048, 63209984, 78765566, 86913728, 114568096, 157531132, 173827456, 229136192, 315062264, 347654912, 458272384, 630124528, 695309824, 916544768, 1260249056, 1833089536, 2520498112, 5040996224, 10081992448, 20163984896]

約数ペア:

[(1, 20163984896), (2, 10081992448), (4, 5040996224), (8, 2520498112), (11, 1833089536), (16, 1260249056), (22, 916544768), (29, 695309824), (32, 630124528), (44, 458272384), (58, 347654912), (64, 315062264), (88, 229136192), (116, 173827456), (128, 157531132), (176, 114568096), (232, 86913728), (256, 78765566), (319, 63209984), (352, 57284048), (464, 43456864), (512, 39382783), (638, 31604992), (704, 28642024), (928, 21728432), (1276, 15802496), (1408, 14321012), (1856, 10864216), (2552, 7901248), (2816, 7160506), (3712, 5432108), (5104, 3950624), (5632, 3580253), (7424, 2716054), (10208, 1975312), (14848, 1358027), (20416, 987656), (40832, 493828), (81664, 246914), (123457, 163328)]