20418794

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{3529}}^1$

素因数の和:3805

約数の個数: 16

約数和(自身を含む): 33549120

約数和(自身を除く): 13130326

約数列:

[1, 2, 11, 22, 263, 526, 2893, 3529, 5786, 7058, 38819, 77638, 928127, 1856254, 10209397, 20418794]

約数ペア:

[(1, 20418794), (2, 10209397), (11, 1856254), (22, 928127), (263, 77638), (526, 38819), (2893, 7058), (3529, 5786)]