20526486540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{673}}^1\times {\mathrm{719}}^1$

素因数の和:1512

約数の個数: 192

約数和(自身を含む): 66526064640

約数和(自身を除く): 45999578100

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 101, 105, 140, 202, 210, 303, 404, 420, 505, 606, 673, 707, 719, 1010, 1212, 1346, 1414, 1438, 1515, 2019, 2020, 2121, 2157, 2692, 2828, 2876, 3030, 3365, 3535, 3595, 4038, 4242, 4314, 4711, 5033, 6060, 6730, 7070, 7190, 8076, 8484, 8628, 9422, 10066, 10095, 10605, 10785, 13460, 14133, 14140, 14380, 15099, 18844, 20132, 20190, 21210, 21570, 23555, 25165, 28266, 30198, 40380, 42420, 43140, 47110, 50330, 56532, 60396, 67973, 70665, 72619, 75495, 94220, 100660, 135946, 141330, 145238, 150990, 203919, 217857, 271892, 282660, 290476, 301980, 339865, 363095, 407838, 435714, 475811, 483887, 508333, 679730, 726190, 815676, 871428, 951622, 967774, 1016666, 1019595, 1089285, 1359460, 1427433, 1451661, 1452380, 1524999, 1903244, 1935548, 2033332, 2039190, 2178570, 2379055, 2419435, 2541665, 2854866, 2903322, 3049998, 3387209, 4078380, 4357140, 4758110, 4838870, 5083330, 5709732, 5806644, 6099996, 6774418, 7137165, 7258305, 7624995, 9516220, 9677740, 10161627, 10166660, 13548836, 14274330, 14516610, 15249990, 16936045, 20323254, 28548660, 29033220, 30499980, 33872090, 40646508, 48872587, 50808135, 67744180, 97745174, 101616270, 146617761, 195490348, 203232540, 244362935, 293235522, 342108109, 488725870, 586471044, 684216218, 733088805, 977451740, 1026324327, 1368432436, 1466177610, 1710540545, 2052648654, 2932355220, 3421081090, 4105297308, 5131621635, 6842162180, 10263243270, 20526486540]

約数ペア:

[(1, 20526486540), (2, 10263243270), (3, 6842162180), (4, 5131621635), (5, 4105297308), (6, 3421081090), (7, 2932355220), (10, 2052648654), (12, 1710540545), (14, 1466177610), (15, 1368432436), (20, 1026324327), (21, 977451740), (28, 733088805), (30, 684216218), (35, 586471044), (42, 488725870), (60, 342108109), (70, 293235522), (84, 244362935), (101, 203232540), (105, 195490348), (140, 146617761), (202, 101616270), (210, 97745174), (303, 67744180), (404, 50808135), (420, 48872587), (505, 40646508), (606, 33872090), (673, 30499980), (707, 29033220), (719, 28548660), (1010, 20323254), (1212, 16936045), (1346, 15249990), (1414, 14516610), (1438, 14274330), (1515, 13548836), (2019, 10166660), (2020, 10161627), (2121, 9677740), (2157, 9516220), (2692, 7624995), (2828, 7258305), (2876, 7137165), (3030, 6774418), (3365, 6099996), (3535, 5806644), (3595, 5709732), (4038, 5083330), (4242, 4838870), (4314, 4758110), (4711, 4357140), (5033, 4078380), (6060, 3387209), (6730, 3049998), (7070, 2903322), (7190, 2854866), (8076, 2541665), (8484, 2419435), (8628, 2379055), (9422, 2178570), (10066, 2039190), (10095, 2033332), (10605, 1935548), (10785, 1903244), (13460, 1524999), (14133, 1452380), (14140, 1451661), (14380, 1427433), (15099, 1359460), (18844, 1089285), (20132, 1019595), (20190, 1016666), (21210, 967774), (21570, 951622), (23555, 871428), (25165, 815676), (28266, 726190), (30198, 679730), (40380, 508333), (42420, 483887), (43140, 475811), (47110, 435714), (50330, 407838), (56532, 363095), (60396, 339865), (67973, 301980), (70665, 290476), (72619, 282660), (75495, 271892), (94220, 217857), (100660, 203919), (135946, 150990), (141330, 145238)]