20658168864

素因数分解:

$2^5\times 3^2\times {\mathrm{31}}^1\times {\mathrm{499}}^1\times {\mathrm{4637}}^1$

素因数の和:5183

約数の個数: 144

約数和(自身を含む): 60776352000

約数和(自身を除く): 40118183136

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 32, 36, 48, 62, 72, 93, 96, 124, 144, 186, 248, 279, 288, 372, 496, 499, 558, 744, 992, 998, 1116, 1488, 1497, 1996, 2232, 2976, 2994, 3992, 4464, 4491, 4637, 5988, 7984, 8928, 8982, 9274, 11976, 13911, 15469, 15968, 17964, 18548, 23952, 27822, 30938, 35928, 37096, 41733, 46407, 47904, 55644, 61876, 71856, 74192, 83466, 92814, 111288, 123752, 139221, 143712, 143747, 148384, 166932, 185628, 222576, 247504, 278442, 287494, 333864, 371256, 431241, 445152, 495008, 556884, 574988, 667728, 742512, 862482, 1113768, 1149976, 1293723, 1335456, 1485024, 1724964, 2227536, 2299952, 2313863, 2587446, 3449928, 4455072, 4599904, 4627726, 5174892, 6899856, 6941589, 9255452, 10349784, 13799712, 13883178, 18510904, 20699568, 20824767, 27766356, 37021808, 41399136, 41649534, 55532712, 71729753, 74043616, 83299068, 111065424, 143459506, 166598136, 215189259, 222130848, 286919012, 333196272, 430378518, 573838024, 645567777, 666392544, 860757036, 1147676048, 1291135554, 1721514072, 2295352096, 2582271108, 3443028144, 5164542216, 6886056288, 10329084432, 20658168864]

約数ペア:

[(1, 20658168864), (2, 10329084432), (3, 6886056288), (4, 5164542216), (6, 3443028144), (8, 2582271108), (9, 2295352096), (12, 1721514072), (16, 1291135554), (18, 1147676048), (24, 860757036), (31, 666392544), (32, 645567777), (36, 573838024), (48, 430378518), (62, 333196272), (72, 286919012), (93, 222130848), (96, 215189259), (124, 166598136), (144, 143459506), (186, 111065424), (248, 83299068), (279, 74043616), (288, 71729753), (372, 55532712), (496, 41649534), (499, 41399136), (558, 37021808), (744, 27766356), (992, 20824767), (998, 20699568), (1116, 18510904), (1488, 13883178), (1497, 13799712), (1996, 10349784), (2232, 9255452), (2976, 6941589), (2994, 6899856), (3992, 5174892), (4464, 4627726), (4491, 4599904), (4637, 4455072), (5988, 3449928), (7984, 2587446), (8928, 2313863), (8982, 2299952), (9274, 2227536), (11976, 1724964), (13911, 1485024), (15469, 1335456), (15968, 1293723), (17964, 1149976), (18548, 1113768), (23952, 862482), (27822, 742512), (30938, 667728), (35928, 574988), (37096, 556884), (41733, 495008), (46407, 445152), (47904, 431241), (55644, 371256), (61876, 333864), (71856, 287494), (74192, 278442), (83466, 247504), (92814, 222576), (111288, 185628), (123752, 166932), (139221, 148384), (143712, 143747)]