20804513471

素因数分解:

$7^1\times {\mathrm{1069}}^1\times {\mathrm{1301}}^1\times {\mathrm{2137}}^1$

素因数の和:4514

約数の個数: 16

約数和(自身を含む): 23828266560

約数和(自身を除く): 3023753089

約数列:

[1, 7, 1069, 1301, 2137, 7483, 9107, 14959, 1390769, 2284453, 2780237, 9735383, 15991171, 19461659, 2972073353, 20804513471]

約数ペア:

[(1, 20804513471), (7, 2972073353), (1069, 19461659), (1301, 15991171), (2137, 9735383), (7483, 2780237), (9107, 2284453), (14959, 1390769)]