20416604

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{1973}}^1$

素因数の和:2189

約数の個数: 24

約数和(自身を含む): 38690400

約数和(自身を除く): 18273796

約数列:

[1, 2, 4, 13, 26, 52, 199, 398, 796, 1973, 2587, 3946, 5174, 7892, 10348, 25649, 51298, 102596, 392627, 785254, 1570508, 5104151, 10208302, 20416604]

約数ペア:

[(1, 20416604), (2, 10208302), (4, 5104151), (13, 1570508), (26, 785254), (52, 392627), (199, 102596), (398, 51298), (796, 25649), (1973, 10348), (2587, 7892), (3946, 5174)]