20253825

素因数分解:

$3^2\times 5^2\times {\mathrm{90017}}^1$

素因数の和:90033

約数の個数: 18

約数和(自身を含む): 36277254

約数和(自身を除く): 16023429

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 90017, 270051, 450085, 810153, 1350255, 2250425, 4050765, 6751275, 20253825]

約数ペア:

[(1, 20253825), (3, 6751275), (5, 4050765), (9, 2250425), (15, 1350255), (25, 810153), (45, 450085), (75, 270051), (225, 90017)]