2005204112

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{1149773}}^1$

素因数の和:1149890

約数の個数: 20

約数和(自身を含む): 3920729340

約数和(自身を除く): 1915525228

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 1149773, 2299546, 4599092, 9198184, 18396368, 125325257, 250650514, 501301028, 1002602056, 2005204112]

約数ペア:

[(1, 2005204112), (2, 1002602056), (4, 501301028), (8, 250650514), (16, 125325257), (109, 18396368), (218, 9198184), (436, 4599092), (872, 2299546), (1744, 1149773)]