20306655

素因数分解:

$3^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{2521}}^1$

素因数の和:2711

約数の個数: 24

約数和(自身を含む): 35408880

約数和(自身を除く): 15102225

約数列:

[1, 3, 5, 9, 15, 45, 179, 537, 895, 1611, 2521, 2685, 7563, 8055, 12605, 22689, 37815, 113445, 451259, 1353777, 2256295, 4061331, 6768885, 20306655]

約数ペア:

[(1, 20306655), (3, 6768885), (5, 4061331), (9, 2256295), (15, 1353777), (45, 451259), (179, 113445), (537, 37815), (895, 22689), (1611, 12605), (2521, 8055), (2685, 7563)]