20703867

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{2207}}^1$

素因数の和:2322

約数の個数: 16

約数和(自身を含む): 28615680

約数和(自身を除く): 7911813

約数列:

[1, 3, 53, 59, 159, 177, 2207, 3127, 6621, 9381, 116971, 130213, 350913, 390639, 6901289, 20703867]

約数ペア:

[(1, 20703867), (3, 6901289), (53, 390639), (59, 350913), (159, 130213), (177, 116971), (2207, 9381), (3127, 6621)]