20490734

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{22717}}^1$

素因数の和:22771

約数の個数: 16

約数和(自身を含む): 34349616

約数和(自身を除く): 13858882

約数列:

[1, 2, 11, 22, 41, 82, 451, 902, 22717, 45434, 249887, 499774, 931397, 1862794, 10245367, 20490734]

約数ペア:

[(1, 20490734), (2, 10245367), (11, 1862794), (22, 931397), (41, 499774), (82, 249887), (451, 45434), (902, 22717)]