20109889737

素因数分解:

$3^3\times 7^2\times {\mathrm{313}}^1\times {\mathrm{48563}}^1$

素因数の和:48899

約数の個数: 48

約数和(自身を含む): 34767938880

約数和(自身を除く): 14658049143

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 313, 441, 939, 1323, 2191, 2817, 6573, 8451, 15337, 19719, 46011, 48563, 59157, 138033, 145689, 339941, 414099, 437067, 1019823, 1311201, 2379587, 3059469, 7138761, 9178407, 15200219, 21416283, 45600657, 64248849, 106401533, 136801971, 319204599, 410405913, 744810731, 957613797, 2234432193, 2872841391, 6703296579, 20109889737]

約数ペア:

[(1, 20109889737), (3, 6703296579), (7, 2872841391), (9, 2234432193), (21, 957613797), (27, 744810731), (49, 410405913), (63, 319204599), (147, 136801971), (189, 106401533), (313, 64248849), (441, 45600657), (939, 21416283), (1323, 15200219), (2191, 9178407), (2817, 7138761), (6573, 3059469), (8451, 2379587), (15337, 1311201), (19719, 1019823), (46011, 437067), (48563, 414099), (59157, 339941), (138033, 145689)]