20398694

素因数分解:

$2^1\times {\mathrm{107}}^1\times {\mathrm{199}}^1\times {\mathrm{479}}^1$

素因数の和:787

約数の個数: 16

約数和(自身を含む): 31104000

約数和(自身を除く): 10705306

約数列:

[1, 2, 107, 199, 214, 398, 479, 958, 21293, 42586, 51253, 95321, 102506, 190642, 10199347, 20398694]

約数ペア:

[(1, 20398694), (2, 10199347), (107, 190642), (199, 102506), (214, 95321), (398, 51253), (479, 42586), (958, 21293)]