20784258

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{104971}}^1$

素因数の和:104990

約数の個数: 24

約数和(自身を含む): 49126896

約数和(自身を除く): 28342638

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 198, 104971, 209942, 314913, 629826, 944739, 1154681, 1889478, 2309362, 3464043, 6928086, 10392129, 20784258]

約数ペア:

[(1, 20784258), (2, 10392129), (3, 6928086), (6, 3464043), (9, 2309362), (11, 1889478), (18, 1154681), (22, 944739), (33, 629826), (66, 314913), (99, 209942), (198, 104971)]