20508711538

素因数分解:

$2^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{5700031}}^1$

素因数の和:5700297

約数の個数: 16

約数和(自身を含む): 35294598144

約数和(自身を除く): 14785886606

約数列:

[1, 2, 7, 14, 257, 514, 1799, 3598, 5700031, 11400062, 39900217, 79800434, 1464907967, 2929815934, 10254355769, 20508711538]

約数ペア:

[(1, 20508711538), (2, 10254355769), (7, 2929815934), (14, 1464907967), (257, 79800434), (514, 39900217), (1799, 11400062), (3598, 5700031)]