20512957581

素因数分解:

$3^2\times {\mathrm{577}}^1\times {\mathrm{3950117}}^1$

素因数の和:3950700

約数の個数: 12

約数和(自身を含む): 29681186652

約数和(自身を除く): 9168229071

約数列:

[1, 3, 9, 577, 1731, 5193, 3950117, 11850351, 35551053, 2279217509, 6837652527, 20512957581]

約数ペア:

[(1, 20512957581), (3, 6837652527), (9, 2279217509), (577, 35551053), (1731, 11850351), (5193, 3950117)]