20783122576

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{613}}^1\times {\mathrm{49279}}^1$

素因数の和:49943

約数の個数: 40

約数和(自身を含む): 41271802880

約数和(自身を除く): 20488680304

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 613, 688, 1226, 2452, 4904, 9808, 26359, 49279, 52718, 98558, 105436, 197116, 210872, 394232, 421744, 788464, 2118997, 4237994, 8475988, 16951976, 30208027, 33903952, 60416054, 120832108, 241664216, 483328432, 1298945161, 2597890322, 5195780644, 10391561288, 20783122576]

約数ペア:

[(1, 20783122576), (2, 10391561288), (4, 5195780644), (8, 2597890322), (16, 1298945161), (43, 483328432), (86, 241664216), (172, 120832108), (344, 60416054), (613, 33903952), (688, 30208027), (1226, 16951976), (2452, 8475988), (4904, 4237994), (9808, 2118997), (26359, 788464), (49279, 421744), (52718, 394232), (98558, 210872), (105436, 197116)]