20147720645

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{1277}}^1\times {\mathrm{242729}}^1$

素因数の和:244024

約数の個数: 16

約数和(自身を含む): 26057550960

約数和(自身を除く): 5909830315

約数列:

[1, 5, 13, 65, 1277, 6385, 16601, 83005, 242729, 1213645, 3155477, 15777385, 309964933, 1549824665, 4029544129, 20147720645]

約数ペア:

[(1, 20147720645), (5, 4029544129), (13, 1549824665), (65, 309964933), (1277, 15777385), (6385, 3155477), (16601, 1213645), (83005, 242729)]