20163681666

素因数分解:

$2^1\times 3^2\times {\mathrm{1120204537}}^1$

素因数の和:1120204545

約数の個数: 12

約数和(自身を含む): 43687976982

約数和(自身を除く): 23524295316

約数列:

[1, 2, 3, 6, 9, 18, 1120204537, 2240409074, 3360613611, 6721227222, 10081840833, 20163681666]

約数ペア:

[(1, 20163681666), (2, 10081840833), (3, 6721227222), (6, 3360613611), (9, 2240409074), (18, 1120204537)]