20709286

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{4127}}^1$

素因数の和:4335

約数の個数: 16

約数和(自身を含む): 33634944

約数和(自身を除く): 12925658

約数列:

[1, 2, 13, 26, 193, 386, 2509, 4127, 5018, 8254, 53651, 107302, 796511, 1593022, 10354643, 20709286]

約数ペア:

[(1, 20709286), (2, 10354643), (13, 1593022), (26, 796511), (193, 107302), (386, 53651), (2509, 8254), (4127, 5018)]