20376884

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{42101}}^1$

素因数の和:42127

約数の個数: 18

約数和(自身を含む): 39196962

約数和(自身を除く): 18820078

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 42101, 84202, 168404, 463111, 926222, 1852444, 5094221, 10188442, 20376884]

約数ペア:

[(1, 20376884), (2, 10188442), (4, 5094221), (11, 1852444), (22, 926222), (44, 463111), (121, 168404), (242, 84202), (484, 42101)]