20676894

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{107}}^2$

素因数の和:269

約数の個数: 48

約数和(自身を含む): 48816768

約数和(自身を除く): 28139874

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 43, 86, 107, 129, 214, 258, 301, 321, 602, 642, 749, 903, 1498, 1806, 2247, 4494, 4601, 9202, 11449, 13803, 22898, 27606, 32207, 34347, 64414, 68694, 80143, 96621, 160286, 193242, 240429, 480858, 492307, 984614, 1476921, 2953842, 3446149, 6892298, 10338447, 20676894]

約数ペア:

[(1, 20676894), (2, 10338447), (3, 6892298), (6, 3446149), (7, 2953842), (14, 1476921), (21, 984614), (42, 492307), (43, 480858), (86, 240429), (107, 193242), (129, 160286), (214, 96621), (258, 80143), (301, 68694), (321, 64414), (602, 34347), (642, 32207), (749, 27606), (903, 22898), (1498, 13803), (1806, 11449), (2247, 9202), (4494, 4601)]