20104147

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{2129}}^1$

素因数の和:2226

約数の個数: 16

約数和(自身を含む): 24537600

約数和(自身を除く): 4433453

約数列:

[1, 7, 19, 71, 133, 497, 1349, 2129, 9443, 14903, 40451, 151159, 283157, 1058113, 2872021, 20104147]

約数ペア:

[(1, 20104147), (7, 2872021), (19, 1058113), (71, 283157), (133, 151159), (497, 40451), (1349, 14903), (2129, 9443)]