20810174

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{135131}}^1$

素因数の和:135151

約数の個数: 16

約数和(自身を含む): 38918016

約数和(自身を除く): 18107842

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 135131, 270262, 945917, 1486441, 1891834, 2972882, 10405087, 20810174]

約数ペア:

[(1, 20810174), (2, 10405087), (7, 2972882), (11, 1891834), (14, 1486441), (22, 945917), (77, 270262), (154, 135131)]