20335275

素因数分解:

$3^2\times 5^2\times {\mathrm{90379}}^1$

素因数の和:90395

約数の個数: 18

約数和(自身を含む): 36423140

約数和(自身を除く): 16087865

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 90379, 271137, 451895, 813411, 1355685, 2259475, 4067055, 6778425, 20335275]

約数ペア:

[(1, 20335275), (3, 6778425), (5, 4067055), (9, 2259475), (15, 1355685), (25, 813411), (45, 451895), (75, 271137), (225, 90379)]