20571177

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{27103}}^1$

素因数の和:27140

約数の個数: 16

約数和(自身を含む): 31223808

約数和(自身を除く): 10652631

約数列:

[1, 3, 11, 23, 33, 69, 253, 759, 27103, 81309, 298133, 623369, 894399, 1870107, 6857059, 20571177]

約数ペア:

[(1, 20571177), (3, 6857059), (11, 1870107), (23, 894399), (33, 623369), (69, 298133), (253, 81309), (759, 27103)]