20799864

素因数分解:

$2^3\times 3^2\times {\mathrm{307}}^1\times {\mathrm{941}}^1$

素因数の和:1260

約数の個数: 48

約数和(自身を含む): 56576520

約数和(自身を除く): 35776656

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 307, 614, 921, 941, 1228, 1842, 1882, 2456, 2763, 2823, 3684, 3764, 5526, 5646, 7368, 7528, 8469, 11052, 11292, 16938, 22104, 22584, 33876, 67752, 288887, 577774, 866661, 1155548, 1733322, 2311096, 2599983, 3466644, 5199966, 6933288, 10399932, 20799864]

約数ペア:

[(1, 20799864), (2, 10399932), (3, 6933288), (4, 5199966), (6, 3466644), (8, 2599983), (9, 2311096), (12, 1733322), (18, 1155548), (24, 866661), (36, 577774), (72, 288887), (307, 67752), (614, 33876), (921, 22584), (941, 22104), (1228, 16938), (1842, 11292), (1882, 11052), (2456, 8469), (2763, 7528), (2823, 7368), (3684, 5646), (3764, 5526)]