20255103

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{179}}^1$

素因数の和:329

約数の個数: 40

約数和(自身を含む): 33454080

約数和(自身を除く): 13198977

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 127, 179, 297, 381, 537, 891, 1143, 1397, 1611, 1969, 3429, 4191, 4833, 5907, 10287, 12573, 14499, 17721, 22733, 37719, 53163, 68199, 113157, 159489, 204597, 250063, 613791, 750189, 1841373, 2250567, 6751701, 20255103]

約数ペア:

[(1, 20255103), (3, 6751701), (9, 2250567), (11, 1841373), (27, 750189), (33, 613791), (81, 250063), (99, 204597), (127, 159489), (179, 113157), (297, 68199), (381, 53163), (537, 37719), (891, 22733), (1143, 17721), (1397, 14499), (1611, 12573), (1969, 10287), (3429, 5907), (4191, 4833)]