20998548

素因数分解:

$2^2\times 3^3\times {\mathrm{194431}}^1$

素因数の和:194444

約数の個数: 24

約数和(自身を含む): 54440960

約数和(自身を除く): 33442412

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 194431, 388862, 583293, 777724, 1166586, 1749879, 2333172, 3499758, 5249637, 6999516, 10499274, 20998548]

約数ペア:

[(1, 20998548), (2, 10499274), (3, 6999516), (4, 5249637), (6, 3499758), (9, 2333172), (12, 1749879), (18, 1166586), (27, 777724), (36, 583293), (54, 388862), (108, 194431)]