20105965

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{167}}^1\times {\mathrm{199}}^1$

素因数の和:393

約数の個数: 24

約数和(自身を含む): 26812800

約数和(自身を除く): 6706835

約数列:

[1, 5, 11, 55, 121, 167, 199, 605, 835, 995, 1837, 2189, 9185, 10945, 20207, 24079, 33233, 101035, 120395, 166165, 365563, 1827815, 4021193, 20105965]

約数ペア:

[(1, 20105965), (5, 4021193), (11, 1827815), (55, 365563), (121, 166165), (167, 120395), (199, 101035), (605, 33233), (835, 24079), (995, 20207), (1837, 10945), (2189, 9185)]