20199077619

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{31027769}}^1$

素因数の和:31027810

約数の個数: 16

約数和(自身を含む): 31772436480

約数和(自身を除く): 11573358861

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 31027769, 93083307, 217194383, 651583149, 961860839, 2885582517, 6733025873, 20199077619]

約数ペア:

[(1, 20199077619), (3, 6733025873), (7, 2885582517), (21, 961860839), (31, 651583149), (93, 217194383), (217, 93083307), (651, 31027769)]