20085525

素因数分解:

$3^2\times 5^2\times {\mathrm{89269}}^1$

素因数の和:89285

約数の個数: 18

約数和(自身を含む): 35975810

約数和(自身を除く): 15890285

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 89269, 267807, 446345, 803421, 1339035, 2231725, 4017105, 6695175, 20085525]

約数ペア:

[(1, 20085525), (3, 6695175), (5, 4017105), (9, 2231725), (15, 1339035), (25, 803421), (45, 446345), (75, 267807), (225, 89269)]