20000007

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{43573}}^1$

素因数の和:43599

約数の個数: 16

約数和(自身を含む): 31373280

約数和(自身を除く): 11373273

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 43573, 130719, 392157, 740741, 1176471, 2222223, 6666669, 20000007]

約数ペア:

[(1, 20000007), (3, 6666669), (9, 2222223), (17, 1176471), (27, 740741), (51, 392157), (153, 130719), (459, 43573)]