20308211

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{2719}}^1$

素因数の和:2834

約数の個数: 16

約数和(自身を含む): 25589760

約数和(自身を除く): 5281549

約数列:

[1, 7, 11, 77, 97, 679, 1067, 2719, 7469, 19033, 29909, 209363, 263743, 1846201, 2901173, 20308211]

約数ペア:

[(1, 20308211), (7, 2901173), (11, 1846201), (77, 263743), (97, 209363), (679, 29909), (1067, 19033), (2719, 7469)]