20650168

素因数分解:

$2^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{4789}}^1$

素因数の和:4820

約数の個数: 48

約数和(自身を含む): 49145400

約数和(自身を除く): 28495232

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 49, 56, 77, 88, 98, 154, 196, 308, 392, 539, 616, 1078, 2156, 4312, 4789, 9578, 19156, 33523, 38312, 52679, 67046, 105358, 134092, 210716, 234661, 268184, 368753, 421432, 469322, 737506, 938644, 1475012, 1877288, 2581271, 2950024, 5162542, 10325084, 20650168]

約数ペア:

[(1, 20650168), (2, 10325084), (4, 5162542), (7, 2950024), (8, 2581271), (11, 1877288), (14, 1475012), (22, 938644), (28, 737506), (44, 469322), (49, 421432), (56, 368753), (77, 268184), (88, 234661), (98, 210716), (154, 134092), (196, 105358), (308, 67046), (392, 52679), (539, 38312), (616, 33523), (1078, 19156), (2156, 9578), (4312, 4789)]