20398728

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{121421}}^1$

素因数の和:121437

約数の個数: 32

約数和(自身を含む): 58282560

約数和(自身を除く): 37883832

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 121421, 242842, 364263, 485684, 728526, 849947, 971368, 1457052, 1699894, 2549841, 2914104, 3399788, 5099682, 6799576, 10199364, 20398728]

約数ペア:

[(1, 20398728), (2, 10199364), (3, 6799576), (4, 5099682), (6, 3399788), (7, 2914104), (8, 2549841), (12, 1699894), (14, 1457052), (21, 971368), (24, 849947), (28, 728526), (42, 485684), (56, 364263), (84, 242842), (168, 121421)]