20157564238

素因数分解:

$2^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{65071}}^1$

素因数の和:65225

約数の個数: 48

約数和(自身を含む): 36720129600

約数和(自身を除く): 16562565362

約数列:

[1, 2, 7, 14, 29, 49, 58, 98, 109, 203, 218, 406, 763, 1421, 1526, 2842, 3161, 5341, 6322, 10682, 22127, 44254, 65071, 130142, 154889, 309778, 455497, 910994, 1887059, 3188479, 3774118, 6376958, 7092739, 13209413, 14185478, 26418826, 49649173, 92465891, 99298346, 184931782, 205689431, 347544211, 411378862, 695088422, 1439826017, 2879652034, 10078782119, 20157564238]

約数ペア:

[(1, 20157564238), (2, 10078782119), (7, 2879652034), (14, 1439826017), (29, 695088422), (49, 411378862), (58, 347544211), (98, 205689431), (109, 184931782), (203, 99298346), (218, 92465891), (406, 49649173), (763, 26418826), (1421, 14185478), (1526, 13209413), (2842, 7092739), (3161, 6376958), (5341, 3774118), (6322, 3188479), (10682, 1887059), (22127, 910994), (44254, 455497), (65071, 309778), (130142, 154889)]