20123362805

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{44227171}}^1$

素因数の和:44227196

約数の個数: 16

約数和(自身を含む): 29720659584

約数和(自身を除く): 9597296779

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 44227171, 221135855, 309590197, 574953223, 1547950985, 2874766115, 4024672561, 20123362805]

約数ペア:

[(1, 20123362805), (5, 4024672561), (7, 2874766115), (13, 1547950985), (35, 574953223), (65, 309590197), (91, 221135855), (455, 44227171)]