20121241728

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{307}}^1\times {\mathrm{659}}^1$

素因数の和:1027

約数の個数: 256

約数和(自身を含む): 63033062400

約数和(自身を除く): 42911820672

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 37, 42, 48, 56, 64, 74, 84, 96, 111, 112, 128, 148, 168, 192, 222, 224, 259, 296, 307, 336, 384, 444, 448, 518, 592, 614, 659, 672, 777, 888, 896, 921, 1036, 1184, 1228, 1318, 1344, 1554, 1776, 1842, 1977, 2072, 2149, 2368, 2456, 2636, 2688, 3108, 3552, 3684, 3954, 4144, 4298, 4613, 4736, 4912, 5272, 6216, 6447, 7104, 7368, 7908, 8288, 8596, 9226, 9824, 10544, 11359, 12432, 12894, 13839, 14208, 14736, 15816, 16576, 17192, 18452, 19648, 21088, 22718, 24383, 24864, 25788, 27678, 29472, 31632, 33152, 34077, 34384, 36904, 39296, 42176, 45436, 48766, 49728, 51576, 55356, 58944, 63264, 68154, 68768, 73149, 73808, 79513, 84352, 90872, 97532, 99456, 103152, 110712, 117888, 126528, 136308, 137536, 146298, 147616, 159026, 170681, 181744, 195064, 202313, 206304, 221424, 238539, 253056, 272616, 275072, 292596, 295232, 318052, 341362, 363488, 390128, 404626, 412608, 442848, 477078, 512043, 545232, 585192, 590464, 606939, 636104, 682724, 726976, 780256, 809252, 825216, 885696, 954156, 1024086, 1090464, 1170384, 1213878, 1272208, 1365448, 1416191, 1453952, 1560512, 1618504, 1771392, 1908312, 2048172, 2180928, 2340768, 2427756, 2544416, 2730896, 2832382, 3121024, 3237008, 3816624, 4096344, 4248573, 4361856, 4681536, 4855512, 5088832, 5461792, 5664764, 6474016, 7485581, 7633248, 8192688, 8497146, 9363072, 9711024, 10177664, 10923584, 11329528, 12948032, 14971162, 15266496, 16385376, 16994292, 19422048, 21847168, 22456743, 22659056, 25896064, 29942324, 30532992, 32770752, 33988584, 38844096, 44913486, 45318112, 52399067, 59884648, 65541504, 67977168, 77688192, 89826972, 90636224, 104798134, 119769296, 135954336, 157197201, 179653944, 181272448, 209596268, 239538592, 271908672, 314394402, 359307888, 419192536, 479077184, 543817344, 628788804, 718615776, 838385072, 958154368, 1257577608, 1437231552, 1676770144, 2515155216, 2874463104, 3353540288, 5030310432, 6707080576, 10060620864, 20121241728]

約数ペア:

[(1, 20121241728), (2, 10060620864), (3, 6707080576), (4, 5030310432), (6, 3353540288), (7, 2874463104), (8, 2515155216), (12, 1676770144), (14, 1437231552), (16, 1257577608), (21, 958154368), (24, 838385072), (28, 718615776), (32, 628788804), (37, 543817344), (42, 479077184), (48, 419192536), (56, 359307888), (64, 314394402), (74, 271908672), (84, 239538592), (96, 209596268), (111, 181272448), (112, 179653944), (128, 157197201), (148, 135954336), (168, 119769296), (192, 104798134), (222, 90636224), (224, 89826972), (259, 77688192), (296, 67977168), (307, 65541504), (336, 59884648), (384, 52399067), (444, 45318112), (448, 44913486), (518, 38844096), (592, 33988584), (614, 32770752), (659, 30532992), (672, 29942324), (777, 25896064), (888, 22659056), (896, 22456743), (921, 21847168), (1036, 19422048), (1184, 16994292), (1228, 16385376), (1318, 15266496), (1344, 14971162), (1554, 12948032), (1776, 11329528), (1842, 10923584), (1977, 10177664), (2072, 9711024), (2149, 9363072), (2368, 8497146), (2456, 8192688), (2636, 7633248), (2688, 7485581), (3108, 6474016), (3552, 5664764), (3684, 5461792), (3954, 5088832), (4144, 4855512), (4298, 4681536), (4613, 4361856), (4736, 4248573), (4912, 4096344), (5272, 3816624), (6216, 3237008), (6447, 3121024), (7104, 2832382), (7368, 2730896), (7908, 2544416), (8288, 2427756), (8596, 2340768), (9226, 2180928), (9824, 2048172), (10544, 1908312), (11359, 1771392), (12432, 1618504), (12894, 1560512), (13839, 1453952), (14208, 1416191), (14736, 1365448), (15816, 1272208), (16576, 1213878), (17192, 1170384), (18452, 1090464), (19648, 1024086), (21088, 954156), (22718, 885696), (24383, 825216), (24864, 809252), (25788, 780256), (27678, 726976), (29472, 682724), (31632, 636104), (33152, 606939), (34077, 590464), (34384, 585192), (36904, 545232), (39296, 512043), (42176, 477078), (45436, 442848), (48766, 412608), (49728, 404626), (51576, 390128), (55356, 363488), (58944, 341362), (63264, 318052), (68154, 295232), (68768, 292596), (73149, 275072), (73808, 272616), (79513, 253056), (84352, 238539), (90872, 221424), (97532, 206304), (99456, 202313), (103152, 195064), (110712, 181744), (117888, 170681), (126528, 159026), (136308, 147616), (137536, 146298)]