20808712107

素因数分解:

$3^3\times {\mathrm{809}}^1\times {\mathrm{952649}}^1$

素因数の和:953467

約数の個数: 16

約数和(自身を含む): 30865860000

約数和(自身を除く): 10057147893

約数列:

[1, 3, 9, 27, 809, 2427, 7281, 21843, 952649, 2857947, 8573841, 25721523, 770693041, 2312079123, 6936237369, 20808712107]

約数ペア:

[(1, 20808712107), (3, 6936237369), (9, 2312079123), (27, 770693041), (809, 25721523), (2427, 8573841), (7281, 2857947), (21843, 952649)]