20890098

素因数分解:

$2^1\times 3^2\times {\mathrm{149}}^1\times {\mathrm{7789}}^1$

素因数の和:7946

約数の個数: 24

約数和(自身を含む): 45571500

約数和(自身を除く): 24681402

約数列:

[1, 2, 3, 6, 9, 18, 149, 298, 447, 894, 1341, 2682, 7789, 15578, 23367, 46734, 70101, 140202, 1160561, 2321122, 3481683, 6963366, 10445049, 20890098]

約数ペア:

[(1, 20890098), (2, 10445049), (3, 6963366), (6, 3481683), (9, 2321122), (18, 1160561), (149, 140202), (298, 70101), (447, 46734), (894, 23367), (1341, 15578), (2682, 7789)]