20839081

素因数分解:

${\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{199}}^1$

素因数の和:408

約数の個数: 16

約数和(自身を含む): 22752000

約数和(自身を除く): 1912919

約数列:

[1, 23, 29, 157, 199, 667, 3611, 4553, 4577, 5771, 31243, 104719, 132733, 718589, 906047, 20839081]

約数ペア:

[(1, 20839081), (23, 906047), (29, 718589), (157, 132733), (199, 104719), (667, 31243), (3611, 5771), (4553, 4577)]