20806484286

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{5107139}}^1$

素因数の和:5107248

約数の個数: 32

約数和(自身を含む): 48047973120

約数和(自身を除く): 27241488834

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 97, 194, 291, 582, 679, 1358, 2037, 4074, 5107139, 10214278, 15321417, 30642834, 35749973, 71499946, 107249919, 214499838, 495392483, 990784966, 1486177449, 2972354898, 3467747381, 6935494762, 10403242143, 20806484286]

約数ペア:

[(1, 20806484286), (2, 10403242143), (3, 6935494762), (6, 3467747381), (7, 2972354898), (14, 1486177449), (21, 990784966), (42, 495392483), (97, 214499838), (194, 107249919), (291, 71499946), (582, 35749973), (679, 30642834), (1358, 15321417), (2037, 10214278), (4074, 5107139)]