20081666

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{769}}^1\times {\mathrm{1187}}^1$

素因数の和:1969

約数の個数: 16

約数和(自身を含む): 32931360

約数和(自身を除く): 12849694

約数列:

[1, 2, 11, 22, 769, 1187, 1538, 2374, 8459, 13057, 16918, 26114, 912803, 1825606, 10040833, 20081666]

約数ペア:

[(1, 20081666), (2, 10040833), (11, 1825606), (22, 912803), (769, 26114), (1187, 16918), (1538, 13057), (2374, 8459)]