20894889

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{3559}}^1$

素因数の和:3684

約数の個数: 16

約数和(自身を含む): 29619200

約数和(自身を除く): 8724311

約数列:

[1, 3, 19, 57, 103, 309, 1957, 3559, 5871, 10677, 67621, 202863, 366577, 1099731, 6964963, 20894889]

約数ペア:

[(1, 20894889), (3, 6964963), (19, 1099731), (57, 366577), (103, 202863), (309, 67621), (1957, 10677), (3559, 5871)]