20068321

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{2657}}^1$

素因数の和:2760

約数の個数: 16

約数和(自身を含む): 25006464

約数和(自身を除く): 4938143

約数列:

[1, 7, 13, 83, 91, 581, 1079, 2657, 7553, 18599, 34541, 220531, 241787, 1543717, 2866903, 20068321]

約数ペア:

[(1, 20068321), (7, 2866903), (13, 1543717), (83, 241787), (91, 220531), (581, 34541), (1079, 18599), (2657, 7553)]