20079968205

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{397}}^1\times {\mathrm{306541}}^1$

素因数の和:306957

約数の個数: 32

約数和(自身を含む): 35137070208

約数和(自身を除く): 15057102003

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 397, 1191, 1985, 4367, 5955, 13101, 21835, 65505, 306541, 919623, 1532705, 3371951, 4598115, 10115853, 16859755, 50579265, 121696777, 365090331, 608483885, 1338664547, 1825451655, 4015993641, 6693322735, 20079968205]

約数ペア:

[(1, 20079968205), (3, 6693322735), (5, 4015993641), (11, 1825451655), (15, 1338664547), (33, 608483885), (55, 365090331), (165, 121696777), (397, 50579265), (1191, 16859755), (1985, 10115853), (4367, 4598115), (5955, 3371951), (13101, 1532705), (21835, 919623), (65505, 306541)]