20581675205

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{45234451}}^1$

素因数の和:45234476

約数の個数: 16

約数和(自身を含む): 30397551744

約数和(自身を除く): 9815876539

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 45234451, 226172255, 316641157, 588047863, 1583205785, 2940239315, 4116335041, 20581675205]

約数ペア:

[(1, 20581675205), (5, 4116335041), (7, 2940239315), (13, 1583205785), (35, 588047863), (65, 316641157), (91, 226172255), (455, 45234451)]