20004765

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{3911}}^1$

素因数の和:3961

約数の個数: 32

約数和(自身を含む): 36052992

約数和(自身を除く): 16048227

約数列:

[1, 3, 5, 11, 15, 31, 33, 55, 93, 155, 165, 341, 465, 1023, 1705, 3911, 5115, 11733, 19555, 43021, 58665, 121241, 129063, 215105, 363723, 606205, 645315, 1333651, 1818615, 4000953, 6668255, 20004765]

約数ペア:

[(1, 20004765), (3, 6668255), (5, 4000953), (11, 1818615), (15, 1333651), (31, 645315), (33, 606205), (55, 363723), (93, 215105), (155, 129063), (165, 121241), (341, 58665), (465, 43021), (1023, 19555), (1705, 11733), (3911, 5115)]