20161586571

素因数分解:

$3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{7328821}}^1$

素因数の和:7328962

約数の個数: 16

約数和(自身を含む): 30956944128

約数和(自身を除く): 10795357557

約数列:

[1, 3, 7, 21, 131, 393, 917, 2751, 7328821, 21986463, 51301747, 153905241, 960075551, 2880226653, 6720528857, 20161586571]

約数ペア:

[(1, 20161586571), (3, 6720528857), (7, 2880226653), (21, 960075551), (131, 153905241), (393, 51301747), (917, 21986463), (2751, 7328821)]