20123997686

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17747}}^1\times {\mathrm{43613}}^1$

素因数の和:61375

約数の個数: 16

約数和(自身を含む): 32510573424

約数和(自身を除く): 12386575738

約数列:

[1, 2, 13, 26, 17747, 35494, 43613, 87226, 230711, 461422, 566969, 1133938, 773999911, 1547999822, 10061998843, 20123997686]

約数ペア:

[(1, 20123997686), (2, 10061998843), (13, 1547999822), (26, 773999911), (17747, 1133938), (35494, 566969), (43613, 461422), (87226, 230711)]