20405551107

素因数分解:

$3^1\times {\mathrm{409}}^1\times {\mathrm{547}}^1\times {\mathrm{30403}}^1$

素因数の和:31362

約数の個数: 16

約数和(自身を含む): 27324682880

約数和(自身を除く): 6919131773

約数列:

[1, 3, 409, 547, 1227, 1641, 30403, 91209, 223723, 671169, 12434827, 16630441, 37304481, 49891323, 6801850369, 20405551107]

約数ペア:

[(1, 20405551107), (3, 6801850369), (409, 49891323), (547, 37304481), (1227, 16630441), (1641, 12434827), (30403, 671169), (91209, 223723)]