20898156969

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{367}}^1\times {\mathrm{89113}}^1$

素因数の和:89557

約数の個数: 24

約数和(自身を含む): 30695139072

約数和(自身を除く): 9796982103

約数列:

[1, 3, 9, 71, 213, 367, 639, 1101, 3303, 26057, 78171, 89113, 234513, 267339, 802017, 6327023, 18981069, 32704471, 56943207, 98113413, 294340239, 2322017441, 6966052323, 20898156969]

約数ペア:

[(1, 20898156969), (3, 6966052323), (9, 2322017441), (71, 294340239), (213, 98113413), (367, 56943207), (639, 32704471), (1101, 18981069), (3303, 6327023), (26057, 802017), (78171, 267339), (89113, 234513)]