20809614968

素因数分解:

$2^3\times {\mathrm{439}}^1\times {\mathrm{5925289}}^1$

素因数の和:5925734

約数の個数: 16

約数和(自身を含む): 39106914000

約数和(自身を除く): 18297299032

約数列:

[1, 2, 4, 8, 439, 878, 1756, 3512, 5925289, 11850578, 23701156, 47402312, 2601201871, 5202403742, 10404807484, 20809614968]

約数ペア:

[(1, 20809614968), (2, 10404807484), (4, 5202403742), (8, 2601201871), (439, 47402312), (878, 23701156), (1756, 11850578), (3512, 5925289)]