20948884

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{476111}}^1$

素因数の和:476126

約数の個数: 12

約数和(自身を含む): 39993408

約数和(自身を除く): 19044524

約数列:

[1, 2, 4, 11, 22, 44, 476111, 952222, 1904444, 5237221, 10474442, 20948884]

約数ペア:

[(1, 20948884), (2, 10474442), (4, 5237221), (11, 1904444), (22, 952222), (44, 476111)]