20459770521

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{401171971}}^1$

素因数の和:401171991

約数の個数: 8

約数和(自身を含む): 28884381984

約数和(自身を除く): 8424611463

約数列:

[1, 3, 17, 51, 401171971, 1203515913, 6819923507, 20459770521]

約数ペア:

[(1, 20459770521), (3, 6819923507), (17, 1203515913), (51, 401171971)]