20970063

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{10939}}^1$

素因数の和:11019

約数の個数: 16

約数和(自身を含む): 31507200

約数和(自身を除く): 10537137

約数列:

[1, 3, 9, 27, 71, 213, 639, 1917, 10939, 32817, 98451, 295353, 776669, 2330007, 6990021, 20970063]

約数ペア:

[(1, 20970063), (3, 6990021), (9, 2330007), (27, 776669), (71, 295353), (213, 98451), (639, 32817), (1917, 10939)]