20426247

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{1123}}^1$

素因数の和:1219

約数の個数: 24

約数和(自身を含む): 30860544

約数和(自身を除く): 10434297

約数列:

[1, 3, 9, 43, 47, 129, 141, 387, 423, 1123, 2021, 3369, 6063, 10107, 18189, 48289, 52781, 144867, 158343, 434601, 475029, 2269583, 6808749, 20426247]

約数ペア:

[(1, 20426247), (3, 6808749), (9, 2269583), (43, 475029), (47, 434601), (129, 158343), (141, 144867), (387, 52781), (423, 48289), (1123, 18189), (2021, 10107), (3369, 6063)]