20755785

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{19489}}^1$

素因数の和:19568

約数の個数: 16

約数和(自身を含む): 33678720

約数和(自身を除く): 12922935

約数列:

[1, 3, 5, 15, 71, 213, 355, 1065, 19489, 58467, 97445, 292335, 1383719, 4151157, 6918595, 20755785]

約数ペア:

[(1, 20755785), (3, 6918595), (5, 4151157), (15, 1383719), (71, 292335), (213, 97445), (355, 58467), (1065, 19489)]