20621799

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{12253}}^1$

素因数の和:12287

約数の個数: 24

約数和(自身を含む): 34409232

約数和(自身を除く): 13787433

約数列:

[1, 3, 9, 11, 17, 33, 51, 99, 153, 187, 561, 1683, 12253, 36759, 110277, 134783, 208301, 404349, 624903, 1213047, 1874709, 2291311, 6873933, 20621799]

約数ペア:

[(1, 20621799), (3, 6873933), (9, 2291311), (11, 1874709), (17, 1213047), (33, 624903), (51, 404349), (99, 208301), (153, 134783), (187, 110277), (561, 36759), (1683, 12253)]