20809830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{693661}}^1$

素因数の和:693671

約数の個数: 16

約数和(自身を含む): 49943664

約数和(自身を除く): 29133834

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 693661, 1387322, 2080983, 3468305, 4161966, 6936610, 10404915, 20809830]

約数ペア:

[(1, 20809830), (2, 10404915), (3, 6936610), (5, 4161966), (6, 3468305), (10, 2080983), (15, 1387322), (30, 693661)]