20126157

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{1549}}^1$

素因数の和:1684

約数の個数: 16

約数和(自身を含む): 27676800

約数和(自身を除く): 7550643

約数列:

[1, 3, 61, 71, 183, 213, 1549, 4331, 4647, 12993, 94489, 109979, 283467, 329937, 6708719, 20126157]

約数ペア:

[(1, 20126157), (3, 6708719), (61, 329937), (71, 283467), (183, 109979), (213, 94489), (1549, 12993), (4331, 4647)]