20412231

素因数分解:

$3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{9437}}^1$

素因数の和:9550

約数の個数: 16

約数和(自身を含む): 31409664

約数和(自身を除く): 10997433

約数列:

[1, 3, 7, 21, 103, 309, 721, 2163, 9437, 28311, 66059, 198177, 972011, 2916033, 6804077, 20412231]

約数ペア:

[(1, 20412231), (3, 6804077), (7, 2916033), (21, 972011), (103, 198177), (309, 66059), (721, 28311), (2163, 9437)]