20804982

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^2\times {\mathrm{28657}}^1$

素因数の和:28684

約数の個数: 24

約数和(自身を含む): 45738168

約数和(自身を除く): 24933186

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 121, 242, 363, 726, 28657, 57314, 85971, 171942, 315227, 630454, 945681, 1891362, 3467497, 6934994, 10402491, 20804982]

約数ペア:

[(1, 20804982), (2, 10402491), (3, 6934994), (6, 3467497), (11, 1891362), (22, 945681), (33, 630454), (66, 315227), (121, 171942), (242, 85971), (363, 57314), (726, 28657)]