20330175

素因数分解:

$3^1\times 5^2\times {\mathrm{163}}^1\times {\mathrm{1663}}^1$

素因数の和:1839

約数の個数: 24

約数和(自身を含む): 33839104

約数和(自身を除く): 13508929

約数列:

[1, 3, 5, 15, 25, 75, 163, 489, 815, 1663, 2445, 4075, 4989, 8315, 12225, 24945, 41575, 124725, 271069, 813207, 1355345, 4066035, 6776725, 20330175]

約数ペア:

[(1, 20330175), (3, 6776725), (5, 4066035), (15, 1355345), (25, 813207), (75, 271069), (163, 124725), (489, 41575), (815, 24945), (1663, 12225), (2445, 8315), (4075, 4989)]