20333475

素因数分解:

$3^2\times 5^2\times {\mathrm{90371}}^1$

素因数の和:90387

約数の個数: 18

約数和(自身を含む): 36419916

約数和(自身を除く): 16086441

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 90371, 271113, 451855, 813339, 1355565, 2259275, 4066695, 6777825, 20333475]

約数ペア:

[(1, 20333475), (3, 6777825), (5, 4066695), (9, 2259275), (15, 1355565), (25, 813339), (45, 451855), (75, 271113), (225, 90371)]