20512221728

素因数分解:

$2^5\times {\mathrm{151}}^1\times {\mathrm{4245079}}^1$

素因数の和:4245240

約数の個数: 24

約数和(自身を含む): 40650886080

約数和(自身を除く): 20138664352

約数列:

[1, 2, 4, 8, 16, 32, 151, 302, 604, 1208, 2416, 4832, 4245079, 8490158, 16980316, 33960632, 67921264, 135842528, 641006929, 1282013858, 2564027716, 5128055432, 10256110864, 20512221728]

約数ペア:

[(1, 20512221728), (2, 10256110864), (4, 5128055432), (8, 2564027716), (16, 1282013858), (32, 641006929), (151, 135842528), (302, 67921264), (604, 33960632), (1208, 16980316), (2416, 8490158), (4832, 4245079)]