20159690936

素因数分解:

$2^3\times 7^2\times {\mathrm{11}}^2\times {\mathrm{643}}^1\times {\mathrm{661}}^1$

素因数の和:1346

約数の個数: 144

約数和(自身を含む): 48479888520

約数和(自身を除く): 28320197584

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 49, 56, 77, 88, 98, 121, 154, 196, 242, 308, 392, 484, 539, 616, 643, 661, 847, 968, 1078, 1286, 1322, 1694, 2156, 2572, 2644, 3388, 4312, 4501, 4627, 5144, 5288, 5929, 6776, 7073, 7271, 9002, 9254, 11858, 14146, 14542, 18004, 18508, 23716, 28292, 29084, 31507, 32389, 36008, 37016, 47432, 49511, 50897, 56584, 58168, 63014, 64778, 77803, 79981, 99022, 101794, 126028, 129556, 155606, 159962, 198044, 203588, 252056, 259112, 311212, 319924, 346577, 356279, 396088, 407176, 425023, 544621, 559867, 622424, 639848, 693154, 712558, 850046, 1089242, 1119734, 1386308, 1425116, 1700092, 2178484, 2239468, 2772616, 2850232, 2975161, 3400184, 3812347, 3919069, 4356968, 4478936, 4675253, 5950322, 7624694, 7838138, 9350506, 11900644, 15249388, 15676276, 18701012, 20826127, 23801288, 30498776, 31352552, 32726771, 37402024, 41652254, 51427783, 65453542, 83304508, 102855566, 130907084, 166609016, 205711132, 229087397, 261814168, 359994481, 411422264, 458174794, 719988962, 916349588, 1439977924, 1832699176, 2519961367, 2879955848, 5039922734, 10079845468, 20159690936]

約数ペア:

[(1, 20159690936), (2, 10079845468), (4, 5039922734), (7, 2879955848), (8, 2519961367), (11, 1832699176), (14, 1439977924), (22, 916349588), (28, 719988962), (44, 458174794), (49, 411422264), (56, 359994481), (77, 261814168), (88, 229087397), (98, 205711132), (121, 166609016), (154, 130907084), (196, 102855566), (242, 83304508), (308, 65453542), (392, 51427783), (484, 41652254), (539, 37402024), (616, 32726771), (643, 31352552), (661, 30498776), (847, 23801288), (968, 20826127), (1078, 18701012), (1286, 15676276), (1322, 15249388), (1694, 11900644), (2156, 9350506), (2572, 7838138), (2644, 7624694), (3388, 5950322), (4312, 4675253), (4501, 4478936), (4627, 4356968), (5144, 3919069), (5288, 3812347), (5929, 3400184), (6776, 2975161), (7073, 2850232), (7271, 2772616), (9002, 2239468), (9254, 2178484), (11858, 1700092), (14146, 1425116), (14542, 1386308), (18004, 1119734), (18508, 1089242), (23716, 850046), (28292, 712558), (29084, 693154), (31507, 639848), (32389, 622424), (36008, 559867), (37016, 544621), (47432, 425023), (49511, 407176), (50897, 396088), (56584, 356279), (58168, 346577), (63014, 319924), (64778, 311212), (77803, 259112), (79981, 252056), (99022, 203588), (101794, 198044), (126028, 159962), (129556, 155606)]