20689198

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1\times {\mathrm{1499}}^1$

素因数の和:1671

約数の個数: 16

約数和(自身を含む): 31824000

約数和(自身を除く): 11134802

約数列:

[1, 2, 67, 103, 134, 206, 1499, 2998, 6901, 13802, 100433, 154397, 200866, 308794, 10344599, 20689198]

約数ペア:

[(1, 20689198), (2, 10344599), (67, 308794), (103, 200866), (134, 154397), (206, 100433), (1499, 13802), (2998, 6901)]