20787085

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{5641}}^1$

素因数の和:5724

約数の個数: 16

約数和(自身を含む): 27623232

約数和(自身を除く): 6836147

約数列:

[1, 5, 11, 55, 67, 335, 737, 3685, 5641, 28205, 62051, 310255, 377947, 1889735, 4157417, 20787085]

約数ペア:

[(1, 20787085), (5, 4157417), (11, 1889735), (55, 377947), (67, 310255), (335, 62051), (737, 28205), (3685, 5641)]