20767995

素因数分解:

$3^5\times 5^1\times {\mathrm{17093}}^1$

素因数の和:17113

約数の個数: 24

約数和(自身を含む): 37333296

約数和(自身を除く): 16565301

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 17093, 51279, 85465, 153837, 256395, 461511, 769185, 1384533, 2307555, 4153599, 6922665, 20767995]

約数ペア:

[(1, 20767995), (3, 6922665), (5, 4153599), (9, 2307555), (15, 1384533), (27, 769185), (45, 461511), (81, 256395), (135, 153837), (243, 85465), (405, 51279), (1215, 17093)]