20118825

素因数分解:

$3^2\times 5^2\times {\mathrm{89417}}^1$

素因数の和:89433

約数の個数: 18

約数和(自身を含む): 36035454

約数和(自身を除く): 15916629

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 89417, 268251, 447085, 804753, 1341255, 2235425, 4023765, 6706275, 20118825]

約数ペア:

[(1, 20118825), (3, 6706275), (5, 4023765), (9, 2235425), (15, 1341255), (25, 804753), (45, 447085), (75, 268251), (225, 89417)]