20680968

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1$

素因数の和:96

約数の個数: 192

約数和(自身を含む): 70225920

約数和(自身を除く): 49544952

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 19, 21, 22, 24, 28, 31, 33, 38, 42, 44, 56, 57, 62, 66, 76, 77, 84, 88, 93, 114, 124, 132, 133, 152, 154, 168, 186, 209, 217, 228, 231, 248, 264, 266, 308, 341, 361, 372, 399, 418, 434, 456, 462, 532, 589, 616, 627, 651, 682, 722, 744, 798, 836, 868, 924, 1023, 1064, 1083, 1178, 1254, 1302, 1364, 1444, 1463, 1596, 1672, 1736, 1767, 1848, 2046, 2166, 2356, 2387, 2508, 2527, 2604, 2728, 2888, 2926, 3192, 3534, 3971, 4092, 4123, 4332, 4389, 4712, 4774, 5016, 5054, 5208, 5852, 6479, 7068, 7161, 7581, 7942, 8184, 8246, 8664, 8778, 9548, 10108, 11191, 11704, 11913, 12369, 12958, 14136, 14322, 15162, 15884, 16492, 17556, 19096, 19437, 20216, 22382, 23826, 24738, 25916, 27797, 28644, 30324, 31768, 32984, 33573, 35112, 38874, 44764, 45353, 47652, 49476, 51832, 55594, 57288, 60648, 67146, 77748, 78337, 83391, 89528, 90706, 95304, 98952, 111188, 123101, 134292, 136059, 155496, 156674, 166782, 181412, 222376, 235011, 246202, 268584, 272118, 313348, 333564, 362824, 369303, 470022, 492404, 544236, 626696, 667128, 738606, 861707, 940044, 984808, 1088472, 1477212, 1723414, 1880088, 2585121, 2954424, 3446828, 5170242, 6893656, 10340484, 20680968]

約数ペア:

[(1, 20680968), (2, 10340484), (3, 6893656), (4, 5170242), (6, 3446828), (7, 2954424), (8, 2585121), (11, 1880088), (12, 1723414), (14, 1477212), (19, 1088472), (21, 984808), (22, 940044), (24, 861707), (28, 738606), (31, 667128), (33, 626696), (38, 544236), (42, 492404), (44, 470022), (56, 369303), (57, 362824), (62, 333564), (66, 313348), (76, 272118), (77, 268584), (84, 246202), (88, 235011), (93, 222376), (114, 181412), (124, 166782), (132, 156674), (133, 155496), (152, 136059), (154, 134292), (168, 123101), (186, 111188), (209, 98952), (217, 95304), (228, 90706), (231, 89528), (248, 83391), (264, 78337), (266, 77748), (308, 67146), (341, 60648), (361, 57288), (372, 55594), (399, 51832), (418, 49476), (434, 47652), (456, 45353), (462, 44764), (532, 38874), (589, 35112), (616, 33573), (627, 32984), (651, 31768), (682, 30324), (722, 28644), (744, 27797), (798, 25916), (836, 24738), (868, 23826), (924, 22382), (1023, 20216), (1064, 19437), (1083, 19096), (1178, 17556), (1254, 16492), (1302, 15884), (1364, 15162), (1444, 14322), (1463, 14136), (1596, 12958), (1672, 12369), (1736, 11913), (1767, 11704), (1848, 11191), (2046, 10108), (2166, 9548), (2356, 8778), (2387, 8664), (2508, 8246), (2527, 8184), (2604, 7942), (2728, 7581), (2888, 7161), (2926, 7068), (3192, 6479), (3534, 5852), (3971, 5208), (4092, 5054), (4123, 5016), (4332, 4774), (4389, 4712)]