20178621

素因数分解:

$3^2\times {\mathrm{419}}^1\times {\mathrm{5351}}^1$

素因数の和:5776

約数の個数: 12

約数和(自身を含む): 29221920

約数和(自身を除く): 9043299

約数列:

[1, 3, 9, 419, 1257, 3771, 5351, 16053, 48159, 2242069, 6726207, 20178621]

約数ペア:

[(1, 20178621), (3, 6726207), (9, 2242069), (419, 48159), (1257, 16053), (3771, 5351)]