20708517888

素因数分解:

$2^{11}\times 3^3\times {\mathrm{487}}^1\times {\mathrm{769}}^1$

素因数の和:1287

約数の個数: 192

約数和(自身を含む): 61549488000

約数和(自身を除く): 40840970112

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 96, 108, 128, 144, 192, 216, 256, 288, 384, 432, 487, 512, 576, 768, 769, 864, 974, 1024, 1152, 1461, 1536, 1538, 1728, 1948, 2048, 2304, 2307, 2922, 3072, 3076, 3456, 3896, 4383, 4608, 4614, 5844, 6144, 6152, 6912, 6921, 7792, 8766, 9216, 9228, 11688, 12304, 13149, 13824, 13842, 15584, 17532, 18432, 18456, 20763, 23376, 24608, 26298, 27648, 27684, 31168, 35064, 36912, 41526, 46752, 49216, 52596, 55296, 55368, 62336, 70128, 73824, 83052, 93504, 98432, 105192, 110736, 124672, 140256, 147648, 166104, 187008, 196864, 210384, 221472, 249344, 280512, 295296, 332208, 374016, 374503, 393728, 420768, 442944, 498688, 561024, 590592, 664416, 748032, 749006, 787456, 841536, 885888, 997376, 1122048, 1123509, 1181184, 1328832, 1496064, 1498012, 1574912, 1683072, 1771776, 2244096, 2247018, 2362368, 2657664, 2992128, 2996024, 3366144, 3370527, 3543552, 4488192, 4494036, 4724736, 5315328, 5992048, 6732288, 6741054, 7087104, 8976384, 8988072, 10111581, 10630656, 11984096, 13464576, 13482108, 14174208, 17976144, 20223162, 21261312, 23968192, 26929152, 26964216, 35952288, 40446324, 42522624, 47936384, 53928432, 71904576, 80892648, 95872768, 107856864, 143809152, 161785296, 191745536, 215713728, 287618304, 323570592, 383491072, 431427456, 575236608, 647141184, 766982144, 862854912, 1150473216, 1294282368, 1725709824, 2300946432, 2588564736, 3451419648, 5177129472, 6902839296, 10354258944, 20708517888]

約数ペア:

[(1, 20708517888), (2, 10354258944), (3, 6902839296), (4, 5177129472), (6, 3451419648), (8, 2588564736), (9, 2300946432), (12, 1725709824), (16, 1294282368), (18, 1150473216), (24, 862854912), (27, 766982144), (32, 647141184), (36, 575236608), (48, 431427456), (54, 383491072), (64, 323570592), (72, 287618304), (96, 215713728), (108, 191745536), (128, 161785296), (144, 143809152), (192, 107856864), (216, 95872768), (256, 80892648), (288, 71904576), (384, 53928432), (432, 47936384), (487, 42522624), (512, 40446324), (576, 35952288), (768, 26964216), (769, 26929152), (864, 23968192), (974, 21261312), (1024, 20223162), (1152, 17976144), (1461, 14174208), (1536, 13482108), (1538, 13464576), (1728, 11984096), (1948, 10630656), (2048, 10111581), (2304, 8988072), (2307, 8976384), (2922, 7087104), (3072, 6741054), (3076, 6732288), (3456, 5992048), (3896, 5315328), (4383, 4724736), (4608, 4494036), (4614, 4488192), (5844, 3543552), (6144, 3370527), (6152, 3366144), (6912, 2996024), (6921, 2992128), (7792, 2657664), (8766, 2362368), (9216, 2247018), (9228, 2244096), (11688, 1771776), (12304, 1683072), (13149, 1574912), (13824, 1498012), (13842, 1496064), (15584, 1328832), (17532, 1181184), (18432, 1123509), (18456, 1122048), (20763, 997376), (23376, 885888), (24608, 841536), (26298, 787456), (27648, 749006), (27684, 748032), (31168, 664416), (35064, 590592), (36912, 561024), (41526, 498688), (46752, 442944), (49216, 420768), (52596, 393728), (55296, 374503), (55368, 374016), (62336, 332208), (70128, 295296), (73824, 280512), (83052, 249344), (93504, 221472), (98432, 210384), (105192, 196864), (110736, 187008), (124672, 166104), (140256, 147648)]