20791661

素因数分解:

${\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{389}}^1$

素因数の和:556

約数の個数: 16

約数和(自身を含む): 23474880

約数和(自身を除く): 2683219

約数列:

[1, 11, 43, 113, 389, 473, 1243, 4279, 4859, 16727, 43957, 53449, 183997, 483527, 1890151, 20791661]

約数ペア:

[(1, 20791661), (11, 1890151), (43, 483527), (113, 183997), (389, 53449), (473, 43957), (1243, 16727), (4279, 4859)]