20886615

素因数分解:

$3^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{2593}}^1$

素因数の和:2783

約数の個数: 24

約数和(自身を含む): 36419760

約数和(自身を除く): 15533145

約数列:

[1, 3, 5, 9, 15, 45, 179, 537, 895, 1611, 2593, 2685, 7779, 8055, 12965, 23337, 38895, 116685, 464147, 1392441, 2320735, 4177323, 6962205, 20886615]

約数ペア:

[(1, 20886615), (3, 6962205), (5, 4177323), (9, 2320735), (15, 1392441), (45, 464147), (179, 116685), (537, 38895), (895, 23337), (1611, 12965), (2593, 8055), (2685, 7779)]