20793885861

素因数分解:

$3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{9613447}}^1$

素因数の和:9613560

約数の個数: 16

約数和(自身を含む): 31993554944

約数和(自身を除く): 11199669083

約数列:

[1, 3, 7, 21, 103, 309, 721, 2163, 9613447, 28840341, 67294129, 201882387, 990185041, 2970555123, 6931295287, 20793885861]

約数ペア:

[(1, 20793885861), (3, 6931295287), (7, 2970555123), (21, 990185041), (103, 201882387), (309, 67294129), (721, 28840341), (2163, 9613447)]