20806548

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{247697}}^1$

素因数の和:247711

約数の個数: 24

約数和(自身を含む): 55484352

約数和(自身を除く): 34677804

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 247697, 495394, 743091, 990788, 1486182, 1733879, 2972364, 3467758, 5201637, 6935516, 10403274, 20806548]

約数ペア:

[(1, 20806548), (2, 10403274), (3, 6935516), (4, 5201637), (6, 3467758), (7, 2972364), (12, 1733879), (14, 1486182), (21, 990788), (28, 743091), (42, 495394), (84, 247697)]