20828049111

素因数分解:

$3^2\times {\mathrm{239}}^1\times {\mathrm{9682961}}^1$

素因数の和:9683206

約数の個数: 12

約数和(自身を含む): 30210841440

約数和(自身を除く): 9382792329

約数列:

[1, 3, 9, 239, 717, 2151, 9682961, 29048883, 87146649, 2314227679, 6942683037, 20828049111]

約数ペア:

[(1, 20828049111), (3, 6942683037), (9, 2314227679), (239, 87146649), (717, 29048883), (2151, 9682961)]