20112081

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{3739}}^1$

素因数の和:3916

約数の個数: 16

約数和(自身を含む): 29441280

約数和(自身を除く): 9329199

約数列:

[1, 3, 11, 33, 163, 489, 1793, 3739, 5379, 11217, 41129, 123387, 609457, 1828371, 6704027, 20112081]

約数ペア:

[(1, 20112081), (3, 6704027), (11, 1828371), (33, 609457), (163, 123387), (489, 41129), (1793, 11217), (3739, 5379)]