20025675

素因数分解:

$3^2\times 5^2\times {\mathrm{89003}}^1$

素因数の和:89019

約数の個数: 18

約数和(自身を含む): 35868612

約数和(自身を除く): 15842937

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 89003, 267009, 445015, 801027, 1335045, 2225075, 4005135, 6675225, 20025675]

約数ペア:

[(1, 20025675), (3, 6675225), (5, 4005135), (9, 2225075), (15, 1335045), (25, 801027), (45, 445015), (75, 267009), (225, 89003)]