20109629072

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{1889}}^1$

素因数の和:2081

約数の個数: 120

約数和(自身を含む): 43917189120

約数和(自身を除く): 23807560048

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 127, 169, 208, 248, 254, 338, 403, 496, 508, 676, 806, 1016, 1352, 1612, 1651, 1889, 2032, 2704, 3224, 3302, 3778, 3937, 5239, 6448, 6604, 7556, 7874, 10478, 13208, 15112, 15748, 20956, 21463, 24557, 26416, 30224, 31496, 41912, 42926, 49114, 51181, 58559, 62992, 83824, 85852, 98228, 102362, 117118, 171704, 196456, 204724, 234236, 239903, 319241, 343408, 392912, 409448, 468472, 479806, 638482, 665353, 761267, 818896, 936944, 959612, 1276964, 1330706, 1522534, 1919224, 2553928, 2661412, 3045068, 3118739, 3838448, 5107856, 5322824, 6090136, 6237478, 7436993, 9896471, 10645648, 12180272, 12474956, 14873986, 19792942, 24949912, 29747972, 39585884, 40543607, 49899824, 59495944, 79171768, 81087214, 96680909, 118991888, 158343536, 162174428, 193361818, 324348856, 386723636, 648697712, 773447272, 1256851817, 1546894544, 2513703634, 5027407268, 10054814536, 20109629072]

約数ペア:

[(1, 20109629072), (2, 10054814536), (4, 5027407268), (8, 2513703634), (13, 1546894544), (16, 1256851817), (26, 773447272), (31, 648697712), (52, 386723636), (62, 324348856), (104, 193361818), (124, 162174428), (127, 158343536), (169, 118991888), (208, 96680909), (248, 81087214), (254, 79171768), (338, 59495944), (403, 49899824), (496, 40543607), (508, 39585884), (676, 29747972), (806, 24949912), (1016, 19792942), (1352, 14873986), (1612, 12474956), (1651, 12180272), (1889, 10645648), (2032, 9896471), (2704, 7436993), (3224, 6237478), (3302, 6090136), (3778, 5322824), (3937, 5107856), (5239, 3838448), (6448, 3118739), (6604, 3045068), (7556, 2661412), (7874, 2553928), (10478, 1919224), (13208, 1522534), (15112, 1330706), (15748, 1276964), (20956, 959612), (21463, 936944), (24557, 818896), (26416, 761267), (30224, 665353), (31496, 638482), (41912, 479806), (42926, 468472), (49114, 409448), (51181, 392912), (58559, 343408), (62992, 319241), (83824, 239903), (85852, 234236), (98228, 204724), (102362, 196456), (117118, 171704)]