20470878

素因数分解:

$2^1\times 3^2\times {\mathrm{1137271}}^1$

素因数の和:1137279

約数の個数: 12

約数和(自身を含む): 44353608

約数和(自身を除く): 23882730

約数列:

[1, 2, 3, 6, 9, 18, 1137271, 2274542, 3411813, 6823626, 10235439, 20470878]

約数ペア:

[(1, 20470878), (2, 10235439), (3, 6823626), (6, 3411813), (9, 2274542), (18, 1137271)]