20553951

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{5821}}^1$

素因数の和:5942

約数の個数: 16

約数和(自身を含む): 30181248

約数和(自身を除く): 9627297

約数列:

[1, 3, 11, 33, 107, 321, 1177, 3531, 5821, 17463, 64031, 192093, 622847, 1868541, 6851317, 20553951]

約数ペア:

[(1, 20553951), (3, 6851317), (11, 1868541), (33, 622847), (107, 192093), (321, 64031), (1177, 17463), (3531, 5821)]