20906204

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{475141}}^1$

素因数の和:475156

約数の個数: 12

約数和(自身を含む): 39911928

約数和(自身を除く): 19005724

約数列:

[1, 2, 4, 11, 22, 44, 475141, 950282, 1900564, 5226551, 10453102, 20906204]

約数ペア:

[(1, 20906204), (2, 10453102), (4, 5226551), (11, 1900564), (22, 950282), (44, 475141)]