20111553616

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{3061}}^1\times {\mathrm{5333}}^1$

素因数の和:8420

約数の個数: 80

約数和(自身を含む): 48606139008

約数和(自身を除く): 28494585392

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 154, 176, 308, 616, 1232, 3061, 5333, 6122, 10666, 12244, 21332, 21427, 24488, 33671, 37331, 42664, 42854, 48976, 58663, 67342, 74662, 85328, 85708, 117326, 134684, 149324, 171416, 234652, 235697, 269368, 298648, 342832, 410641, 469304, 471394, 538736, 597296, 821282, 938608, 942788, 1642564, 1885576, 3285128, 3771152, 6570256, 16324313, 32648626, 65297252, 114270191, 130594504, 179567443, 228540382, 261189008, 359134886, 457080764, 718269772, 914161528, 1256972101, 1436539544, 1828323056, 2513944202, 2873079088, 5027888404, 10055776808, 20111553616]

約数ペア:

[(1, 20111553616), (2, 10055776808), (4, 5027888404), (7, 2873079088), (8, 2513944202), (11, 1828323056), (14, 1436539544), (16, 1256972101), (22, 914161528), (28, 718269772), (44, 457080764), (56, 359134886), (77, 261189008), (88, 228540382), (112, 179567443), (154, 130594504), (176, 114270191), (308, 65297252), (616, 32648626), (1232, 16324313), (3061, 6570256), (5333, 3771152), (6122, 3285128), (10666, 1885576), (12244, 1642564), (21332, 942788), (21427, 938608), (24488, 821282), (33671, 597296), (37331, 538736), (42664, 471394), (42854, 469304), (48976, 410641), (58663, 342832), (67342, 298648), (74662, 269368), (85328, 235697), (85708, 234652), (117326, 171416), (134684, 149324)]