20565655

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{1879}}^1$

素因数の和:2094

約数の個数: 16

約数和(自身を含む): 27072000

約数和(自身を除く): 6506345

約数列:

[1, 5, 11, 55, 199, 995, 1879, 2189, 9395, 10945, 20669, 103345, 373921, 1869605, 4113131, 20565655]

約数ペア:

[(1, 20565655), (5, 4113131), (11, 1869605), (55, 373921), (199, 103345), (995, 20669), (1879, 10945), (2189, 9395)]