20128467

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{1951}}^1$

素因数の和:2154

約数の個数: 16

約数和(自身を含む): 28421120

約数和(自身を除く): 8292653

約数列:

[1, 3, 19, 57, 181, 543, 1951, 3439, 5853, 10317, 37069, 111207, 353131, 1059393, 6709489, 20128467]

約数ペア:

[(1, 20128467), (3, 6709489), (19, 1059393), (57, 353131), (181, 111207), (543, 37069), (1951, 10317), (3439, 5853)]