20129916961

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{2538131}}^1$

素因数の和:2538252

約数の個数: 16

約数和(自身を含む): 25340709888

約数和(自身を除く): 5210792927

約数列:

[1, 7, 11, 77, 103, 721, 1133, 7931, 2538131, 17766917, 27919441, 195436087, 261427493, 1829992451, 2875702423, 20129916961]

約数ペア:

[(1, 20129916961), (7, 2875702423), (11, 1829992451), (77, 261427493), (103, 195436087), (721, 27919441), (1133, 17766917), (7931, 2538131)]