20565118847

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{32284331}}^1$

素因数の和:32284358

約数の個数: 12

約数和(自身を含む): 25762896936

約数和(自身を除く): 5197778089

約数列:

[1, 7, 13, 49, 91, 637, 32284331, 225990317, 419696303, 1581932219, 2937874121, 20565118847]

約数ペア:

[(1, 20565118847), (7, 2937874121), (13, 1581932219), (49, 419696303), (91, 225990317), (637, 32284331)]