20603475

素因数分解:

$3^2\times 5^2\times {\mathrm{91571}}^1$

素因数の和:91587

約数の個数: 18

約数和(自身を含む): 36903516

約数和(自身を除く): 16300041

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 91571, 274713, 457855, 824139, 1373565, 2289275, 4120695, 6867825, 20603475]

約数ペア:

[(1, 20603475), (3, 6867825), (5, 4120695), (9, 2289275), (15, 1373565), (25, 824139), (45, 457855), (75, 274713), (225, 91571)]