20985300648

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{521}}^1\times {\mathrm{1871}}^1$

素因数の和:2440

約数の個数: 192

約数和(自身を含む): 64025095680

約数和(自身を除く): 43039795032

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 23, 24, 26, 36, 39, 46, 52, 69, 72, 78, 92, 104, 117, 138, 156, 184, 207, 234, 276, 299, 312, 414, 468, 521, 552, 598, 828, 897, 936, 1042, 1196, 1563, 1656, 1794, 1871, 2084, 2392, 2691, 3126, 3588, 3742, 4168, 4689, 5382, 5613, 6252, 6773, 7176, 7484, 9378, 10764, 11226, 11983, 12504, 13546, 14968, 16839, 18756, 20319, 21528, 22452, 23966, 24323, 27092, 33678, 35949, 37512, 40638, 43033, 44904, 47932, 48646, 54184, 60957, 67356, 71898, 72969, 81276, 86066, 95864, 97292, 107847, 121914, 129099, 134712, 143796, 145938, 155779, 162552, 172132, 194584, 215694, 218907, 243828, 258198, 287592, 291876, 311558, 344264, 387297, 431388, 437814, 467337, 487656, 516396, 559429, 583752, 623116, 774594, 862776, 875628, 934674, 974791, 1032792, 1118858, 1246232, 1402011, 1549188, 1678287, 1751256, 1869348, 1949582, 2237716, 2804022, 2924373, 3098376, 3356574, 3738696, 3899164, 4475432, 5034861, 5608044, 5848746, 6713148, 7798328, 8773119, 10069722, 11216088, 11697492, 12672283, 13426296, 17546238, 20139444, 22420193, 23394984, 25344566, 35092476, 38016849, 40278888, 44840386, 50689132, 67260579, 70184952, 76033698, 89680772, 101378264, 114050547, 134521158, 152067396, 179361544, 201781737, 228101094, 269042316, 291462509, 304134792, 403563474, 456202188, 538084632, 582925018, 807126948, 874387527, 912404376, 1165850036, 1614253896, 1748775054, 2331700072, 2623162581, 3497550108, 5246325162, 6995100216, 10492650324, 20985300648]

約数ペア:

[(1, 20985300648), (2, 10492650324), (3, 6995100216), (4, 5246325162), (6, 3497550108), (8, 2623162581), (9, 2331700072), (12, 1748775054), (13, 1614253896), (18, 1165850036), (23, 912404376), (24, 874387527), (26, 807126948), (36, 582925018), (39, 538084632), (46, 456202188), (52, 403563474), (69, 304134792), (72, 291462509), (78, 269042316), (92, 228101094), (104, 201781737), (117, 179361544), (138, 152067396), (156, 134521158), (184, 114050547), (207, 101378264), (234, 89680772), (276, 76033698), (299, 70184952), (312, 67260579), (414, 50689132), (468, 44840386), (521, 40278888), (552, 38016849), (598, 35092476), (828, 25344566), (897, 23394984), (936, 22420193), (1042, 20139444), (1196, 17546238), (1563, 13426296), (1656, 12672283), (1794, 11697492), (1871, 11216088), (2084, 10069722), (2392, 8773119), (2691, 7798328), (3126, 6713148), (3588, 5848746), (3742, 5608044), (4168, 5034861), (4689, 4475432), (5382, 3899164), (5613, 3738696), (6252, 3356574), (6773, 3098376), (7176, 2924373), (7484, 2804022), (9378, 2237716), (10764, 1949582), (11226, 1869348), (11983, 1751256), (12504, 1678287), (13546, 1549188), (14968, 1402011), (16839, 1246232), (18756, 1118858), (20319, 1032792), (21528, 974791), (22452, 934674), (23966, 875628), (24323, 862776), (27092, 774594), (33678, 623116), (35949, 583752), (37512, 559429), (40638, 516396), (43033, 487656), (44904, 467337), (47932, 437814), (48646, 431388), (54184, 387297), (60957, 344264), (67356, 311558), (71898, 291876), (72969, 287592), (81276, 258198), (86066, 243828), (95864, 218907), (97292, 215694), (107847, 194584), (121914, 172132), (129099, 162552), (134712, 155779), (143796, 145938)]