20294577891

素因数分解:

$3^3\times 7^2\times {\mathrm{313}}^1\times {\mathrm{49009}}^1$

素因数の和:49345

約数の個数: 48

約数和(自身を含む): 35087239200

約数和(自身を除く): 14792661309

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 313, 441, 939, 1323, 2191, 2817, 6573, 8451, 15337, 19719, 46011, 49009, 59157, 138033, 147027, 343063, 414099, 441081, 1029189, 1323243, 2401441, 3087567, 7204323, 9262701, 15339817, 21612969, 46019451, 64838907, 107378719, 138058353, 322136157, 414175059, 751651033, 966408471, 2254953099, 2899225413, 6764859297, 20294577891]

約数ペア:

[(1, 20294577891), (3, 6764859297), (7, 2899225413), (9, 2254953099), (21, 966408471), (27, 751651033), (49, 414175059), (63, 322136157), (147, 138058353), (189, 107378719), (313, 64838907), (441, 46019451), (939, 21612969), (1323, 15339817), (2191, 9262701), (2817, 7204323), (6573, 3087567), (8451, 2401441), (15337, 1323243), (19719, 1029189), (46011, 441081), (49009, 414099), (59157, 343063), (138033, 147027)]