20772884

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{472111}}^1$

素因数の和:472126

約数の個数: 12

約数和(自身を含む): 39657408

約数和(自身を除く): 18884524

約数列:

[1, 2, 4, 11, 22, 44, 472111, 944222, 1888444, 5193221, 10386442, 20772884]

約数ペア:

[(1, 20772884), (2, 10386442), (4, 5193221), (11, 1888444), (22, 944222), (44, 472111)]