20529717

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{7211}}^1$

素因数の和:7300

約数の個数: 16

約数和(自身を含む): 29886528

約数和(自身を除く): 9356811

約数列:

[1, 3, 13, 39, 73, 219, 949, 2847, 7211, 21633, 93743, 281229, 526403, 1579209, 6843239, 20529717]

約数ペア:

[(1, 20529717), (3, 6843239), (13, 1579209), (39, 526403), (73, 281229), (219, 93743), (949, 21633), (2847, 7211)]