20565226

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{19889}}^1$

素因数の和:19949

約数の個数: 16

約数和(自身を含む): 34369920

約数和(自身を除く): 13804694

約数列:

[1, 2, 11, 22, 47, 94, 517, 1034, 19889, 39778, 218779, 437558, 934783, 1869566, 10282613, 20565226]

約数ペア:

[(1, 20565226), (2, 10282613), (11, 1869566), (22, 934783), (47, 437558), (94, 218779), (517, 39778), (1034, 19889)]