20173763600

素因数分解:

$2^4\times 5^2\times {\mathrm{109}}^1\times {\mathrm{337}}^1\times {\mathrm{1373}}^1$

素因数の和:1837

約数の個数: 120

約数和(自身を含む): 49092992520

約数和(自身を除く): 28919228920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 109, 200, 218, 337, 400, 436, 545, 674, 872, 1090, 1348, 1373, 1685, 1744, 2180, 2696, 2725, 2746, 3370, 4360, 5392, 5450, 5492, 6740, 6865, 8425, 8720, 10900, 10984, 13480, 13730, 16850, 21800, 21968, 26960, 27460, 33700, 34325, 36733, 43600, 54920, 67400, 68650, 73466, 109840, 134800, 137300, 146932, 149657, 183665, 274600, 293864, 299314, 367330, 462701, 549200, 587728, 598628, 734660, 748285, 918325, 925402, 1197256, 1469320, 1496570, 1836650, 1850804, 2313505, 2394512, 2938640, 2993140, 3673300, 3701608, 3741425, 4627010, 5986280, 7346600, 7403216, 7482850, 9254020, 11567525, 11972560, 14693200, 14965700, 18508040, 23135050, 29931400, 37016080, 46270100, 50434409, 59862800, 92540200, 100868818, 185080400, 201737636, 252172045, 403475272, 504344090, 806950544, 1008688180, 1260860225, 2017376360, 2521720450, 4034752720, 5043440900, 10086881800, 20173763600]

約数ペア:

[(1, 20173763600), (2, 10086881800), (4, 5043440900), (5, 4034752720), (8, 2521720450), (10, 2017376360), (16, 1260860225), (20, 1008688180), (25, 806950544), (40, 504344090), (50, 403475272), (80, 252172045), (100, 201737636), (109, 185080400), (200, 100868818), (218, 92540200), (337, 59862800), (400, 50434409), (436, 46270100), (545, 37016080), (674, 29931400), (872, 23135050), (1090, 18508040), (1348, 14965700), (1373, 14693200), (1685, 11972560), (1744, 11567525), (2180, 9254020), (2696, 7482850), (2725, 7403216), (2746, 7346600), (3370, 5986280), (4360, 4627010), (5392, 3741425), (5450, 3701608), (5492, 3673300), (6740, 2993140), (6865, 2938640), (8425, 2394512), (8720, 2313505), (10900, 1850804), (10984, 1836650), (13480, 1496570), (13730, 1469320), (16850, 1197256), (21800, 925402), (21968, 918325), (26960, 748285), (27460, 734660), (33700, 598628), (34325, 587728), (36733, 549200), (43600, 462701), (54920, 367330), (67400, 299314), (68650, 293864), (73466, 274600), (109840, 183665), (134800, 149657), (137300, 146932)]