20348325

素因数分解:

$3^2\times 5^2\times {\mathrm{90437}}^1$

素因数の和:90453

約数の個数: 18

約数和(自身を含む): 36446514

約数和(自身を除く): 16098189

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 90437, 271311, 452185, 813933, 1356555, 2260925, 4069665, 6782775, 20348325]

約数ペア:

[(1, 20348325), (3, 6782775), (5, 4069665), (9, 2260925), (15, 1356555), (25, 813933), (45, 452185), (75, 271311), (225, 90437)]