20806591677

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{1811}}^1\times {\mathrm{53939}}^1$

素因数の和:55824

約数の個数: 16

約数和(自身を含む): 28148912640

約数和(自身を除く): 7342320963

約数列:

[1, 3, 71, 213, 1811, 5433, 53939, 128581, 161817, 385743, 3829669, 11489007, 97683529, 293050587, 6935530559, 20806591677]

約数ペア:

[(1, 20806591677), (3, 6935530559), (71, 293050587), (213, 97683529), (1811, 11489007), (5433, 3829669), (53939, 385743), (128581, 161817)]