20806400384

素因数分解:

$2^7\times 7^2\times {\mathrm{11}}^1\times {\mathrm{301577}}^1$

素因数の和:301616

約数の個数: 96

約数和(自身を含む): 52601234760

約数和(自身を除く): 31794834376

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 49, 56, 64, 77, 88, 98, 112, 128, 154, 176, 196, 224, 308, 352, 392, 448, 539, 616, 704, 784, 896, 1078, 1232, 1408, 1568, 2156, 2464, 3136, 4312, 4928, 6272, 8624, 9856, 17248, 34496, 68992, 301577, 603154, 1206308, 2111039, 2412616, 3317347, 4222078, 4825232, 6634694, 8444156, 9650464, 13269388, 14777273, 16888312, 19300928, 23221429, 26538776, 29554546, 33776624, 38601856, 46442858, 53077552, 59109092, 67553248, 92885716, 106155104, 118218184, 135106496, 162550003, 185771432, 212310208, 236436368, 270212992, 325100006, 371542864, 424620416, 472872736, 650200012, 743085728, 945745472, 1300400024, 1486171456, 1891490944, 2600800048, 2972342912, 5201600096, 10403200192, 20806400384]

約数ペア:

[(1, 20806400384), (2, 10403200192), (4, 5201600096), (7, 2972342912), (8, 2600800048), (11, 1891490944), (14, 1486171456), (16, 1300400024), (22, 945745472), (28, 743085728), (32, 650200012), (44, 472872736), (49, 424620416), (56, 371542864), (64, 325100006), (77, 270212992), (88, 236436368), (98, 212310208), (112, 185771432), (128, 162550003), (154, 135106496), (176, 118218184), (196, 106155104), (224, 92885716), (308, 67553248), (352, 59109092), (392, 53077552), (448, 46442858), (539, 38601856), (616, 33776624), (704, 29554546), (784, 26538776), (896, 23221429), (1078, 19300928), (1232, 16888312), (1408, 14777273), (1568, 13269388), (2156, 9650464), (2464, 8444156), (3136, 6634694), (4312, 4825232), (4928, 4222078), (6272, 3317347), (8624, 2412616), (9856, 2111039), (17248, 1206308), (34496, 603154), (68992, 301577)]