20695005

素因数分解:

$3^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{2311}}^1$

素因数の和:2521

約数の個数: 24

約数和(自身を含む): 36067200

約数和(自身を除く): 15372195

約数列:

[1, 3, 5, 9, 15, 45, 199, 597, 995, 1791, 2311, 2985, 6933, 8955, 11555, 20799, 34665, 103995, 459889, 1379667, 2299445, 4139001, 6898335, 20695005]

約数ペア:

[(1, 20695005), (3, 6898335), (5, 4139001), (9, 2299445), (15, 1379667), (45, 459889), (199, 103995), (597, 34665), (995, 20799), (1791, 11555), (2311, 8955), (2985, 6933)]