20702925297

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{17831977}}^1$

素因数の和:17832029

約数の個数: 16

約数和(自身を含む): 31384281280

約数和(自身を除く): 10681355983

約数列:

[1, 3, 9, 27, 43, 129, 387, 1161, 17831977, 53495931, 160487793, 481463379, 766775011, 2300325033, 6900975099, 20702925297]

約数ペア:

[(1, 20702925297), (3, 6900975099), (9, 2300325033), (27, 766775011), (43, 481463379), (129, 160487793), (387, 53495931), (1161, 17831977)]