20218842477

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{52245071}}^1$

素因数の和:52245120

約数の個数: 12

約数和(自身を含む): 29884181184

約数和(自身を除く): 9665338707

約数列:

[1, 3, 9, 43, 129, 387, 52245071, 156735213, 470205639, 2246538053, 6739614159, 20218842477]

約数ペア:

[(1, 20218842477), (3, 6739614159), (9, 2246538053), (43, 470205639), (129, 156735213), (387, 52245071)]