20263275

素因数分解:

$3^2\times 5^2\times {\mathrm{90059}}^1$

素因数の和:90075

約数の個数: 18

約数和(自身を含む): 36294180

約数和(自身を除く): 16030905

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 90059, 270177, 450295, 810531, 1350885, 2251475, 4052655, 6754425, 20263275]

約数ペア:

[(1, 20263275), (3, 6754425), (5, 4052655), (9, 2251475), (15, 1350885), (25, 810531), (45, 450295), (75, 270177), (225, 90059)]