20407000

素因数分解:

$2^3\times 5^3\times {\mathrm{20407}}^1$

素因数の和:20428

約数の個数: 32

約数和(自身を含む): 47754720

約数和(自身を除く): 27347720

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 1000, 20407, 40814, 81628, 102035, 163256, 204070, 408140, 510175, 816280, 1020350, 2040700, 2550875, 4081400, 5101750, 10203500, 20407000]

約数ペア:

[(1, 20407000), (2, 10203500), (4, 5101750), (5, 4081400), (8, 2550875), (10, 2040700), (20, 1020350), (25, 816280), (40, 510175), (50, 408140), (100, 204070), (125, 163256), (200, 102035), (250, 81628), (500, 40814), (1000, 20407)]