20278315687

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{2137}}^1\times {\mathrm{71347}}^1$

素因数の和:73510

約数の個数: 16

約数和(自身を含む): 24406723840

約数和(自身を除く): 4128408153

約数列:

[1, 7, 19, 133, 2137, 14959, 40603, 71347, 284221, 499429, 1355593, 9489151, 152468539, 1067279773, 2896902241, 20278315687]

約数ペア:

[(1, 20278315687), (7, 2896902241), (19, 1067279773), (133, 152468539), (2137, 9489151), (14959, 1355593), (40603, 499429), (71347, 284221)]