20702397

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1\times {\mathrm{811}}^1$

素因数の和:1008

約数の個数: 16

約数和(自身を含む): 28270592

約数和(自身を除く): 7568195

約数列:

[1, 3, 67, 127, 201, 381, 811, 2433, 8509, 25527, 54337, 102997, 163011, 308991, 6900799, 20702397]

約数ペア:

[(1, 20702397), (3, 6900799), (67, 308991), (127, 163011), (201, 102997), (381, 54337), (811, 25527), (2433, 8509)]