20010825

素因数分解:

$3^2\times 5^2\times {\mathrm{88937}}^1$

素因数の和:88953

約数の個数: 18

約数和(自身を含む): 35842014

約数和(自身を除く): 15831189

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 88937, 266811, 444685, 800433, 1334055, 2223425, 4002165, 6670275, 20010825]

約数ペア:

[(1, 20010825), (3, 6670275), (5, 4002165), (9, 2223425), (15, 1334055), (25, 800433), (45, 444685), (75, 266811), (225, 88937)]