20591577

素因数分解:

$3^5\times {\mathrm{101}}^1\times {\mathrm{839}}^1$

素因数の和:955

約数の個数: 24

約数和(自身を含む): 31187520

約数和(自身を除く): 10595943

約数列:

[1, 3, 9, 27, 81, 101, 243, 303, 839, 909, 2517, 2727, 7551, 8181, 22653, 24543, 67959, 84739, 203877, 254217, 762651, 2287953, 6863859, 20591577]

約数ペア:

[(1, 20591577), (3, 6863859), (9, 2287953), (27, 762651), (81, 254217), (101, 203877), (243, 84739), (303, 67959), (839, 24543), (909, 22653), (2517, 8181), (2727, 7551)]