20612889

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{3529}}^1$

素因数の和:3605

約数の個数: 24

約数和(自身を含む): 33040800

約数和(自身を除く): 12427911

約数列:

[1, 3, 9, 11, 33, 59, 99, 177, 531, 649, 1947, 3529, 5841, 10587, 31761, 38819, 116457, 208211, 349371, 624633, 1873899, 2290321, 6870963, 20612889]

約数ペア:

[(1, 20612889), (3, 6870963), (9, 2290321), (11, 1873899), (33, 624633), (59, 349371), (99, 208211), (177, 116457), (531, 38819), (649, 31761), (1947, 10587), (3529, 5841)]