19796820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{329947}}^1$

素因数の和:329959

約数の個数: 24

約数和(自身を含む): 55431264

約数和(自身を除く): 35634444

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 329947, 659894, 989841, 1319788, 1649735, 1979682, 3299470, 3959364, 4949205, 6598940, 9898410, 19796820]

約数ペア:

[(1, 19796820), (2, 9898410), (3, 6598940), (4, 4949205), (5, 3959364), (6, 3299470), (10, 1979682), (12, 1649735), (15, 1319788), (20, 989841), (30, 659894), (60, 329947)]