20803855107

素因数分解:

$3^1\times 7^1\times {\mathrm{491}}^1\times {\mathrm{2017637}}^1$

素因数の和:2018138

約数の個数: 16

約数和(自身を含む): 31765692672

約数和(自身を除く): 10961837565

約数列:

[1, 3, 7, 21, 491, 1473, 3437, 10311, 2017637, 6052911, 14123459, 42370377, 990659767, 2971979301, 6934618369, 20803855107]

約数ペア:

[(1, 20803855107), (3, 6934618369), (7, 2971979301), (21, 990659767), (491, 42370377), (1473, 14123459), (3437, 6052911), (10311, 2017637)]