20199078778

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{2161}}^1\times {\mathrm{113989}}^1$

素因数の和:116193

約数の個数: 16

約数和(自身を含む): 31052243880

約数和(自身を除く): 10853165102

約数列:

[1, 2, 41, 82, 2161, 4322, 88601, 113989, 177202, 227978, 4673549, 9347098, 246330229, 492660458, 10099539389, 20199078778]

約数ペア:

[(1, 20199078778), (2, 10099539389), (41, 492660458), (82, 246330229), (2161, 9347098), (4322, 4673549), (88601, 227978), (113989, 177202)]