20270776

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{81737}}^1$

素因数の和:81774

約数の個数: 16

約数和(自身を含む): 39234240

約数和(自身を除く): 18963464

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 81737, 163474, 326948, 653896, 2533847, 5067694, 10135388, 20270776]

約数ペア:

[(1, 20270776), (2, 10135388), (4, 5067694), (8, 2533847), (31, 653896), (62, 326948), (124, 163474), (248, 81737)]