20177767552

素因数分解:

$2^7\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{197}}^1\times {\mathrm{673}}^1$

素因数の和:954

約数の個数: 128

約数和(自身を含む): 42878127600

約数和(自身を除く): 22700360048

約数列:

[1, 2, 4, 8, 16, 29, 32, 41, 58, 64, 82, 116, 128, 164, 197, 232, 328, 394, 464, 656, 673, 788, 928, 1189, 1312, 1346, 1576, 1856, 2378, 2624, 2692, 3152, 3712, 4756, 5248, 5384, 5713, 6304, 8077, 9512, 10768, 11426, 12608, 16154, 19024, 19517, 21536, 22852, 25216, 27593, 32308, 38048, 39034, 43072, 45704, 55186, 64616, 76096, 78068, 86144, 91408, 110372, 129232, 132581, 152192, 156136, 182816, 220744, 234233, 258464, 265162, 312272, 365632, 441488, 468466, 516928, 530324, 624544, 731264, 800197, 882976, 936932, 1033856, 1060648, 1249088, 1600394, 1765952, 1873864, 2121296, 2498176, 3200788, 3531904, 3747728, 3844849, 4242592, 5435821, 6401576, 7495456, 7689698, 8485184, 10871642, 12803152, 14990912, 15379396, 16970368, 21743284, 25606304, 29981824, 30758792, 43486568, 51212608, 61517584, 86973136, 102425216, 123035168, 157638809, 173946272, 246070336, 315277618, 347892544, 492140672, 630555236, 695785088, 1261110472, 2522220944, 5044441888, 10088883776, 20177767552]

約数ペア:

[(1, 20177767552), (2, 10088883776), (4, 5044441888), (8, 2522220944), (16, 1261110472), (29, 695785088), (32, 630555236), (41, 492140672), (58, 347892544), (64, 315277618), (82, 246070336), (116, 173946272), (128, 157638809), (164, 123035168), (197, 102425216), (232, 86973136), (328, 61517584), (394, 51212608), (464, 43486568), (656, 30758792), (673, 29981824), (788, 25606304), (928, 21743284), (1189, 16970368), (1312, 15379396), (1346, 14990912), (1576, 12803152), (1856, 10871642), (2378, 8485184), (2624, 7689698), (2692, 7495456), (3152, 6401576), (3712, 5435821), (4756, 4242592), (5248, 3844849), (5384, 3747728), (5713, 3531904), (6304, 3200788), (8077, 2498176), (9512, 2121296), (10768, 1873864), (11426, 1765952), (12608, 1600394), (16154, 1249088), (19024, 1060648), (19517, 1033856), (21536, 936932), (22852, 882976), (25216, 800197), (27593, 731264), (32308, 624544), (38048, 530324), (39034, 516928), (43072, 468466), (45704, 441488), (55186, 365632), (64616, 312272), (76096, 265162), (78068, 258464), (86144, 234233), (91408, 220744), (110372, 182816), (129232, 156136), (132581, 152192)]