20218708944

素因数分解:

$2^4\times 3^3\times 7^1\times {\mathrm{19}}^2\times {\mathrm{18521}}^1$

素因数の和:18583

約数の個数: 240

約数和(自身を含む): 70004269440

約数和(自身を除く): 49785560496

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 19, 21, 24, 27, 28, 36, 38, 42, 48, 54, 56, 57, 63, 72, 76, 84, 108, 112, 114, 126, 133, 144, 152, 168, 171, 189, 216, 228, 252, 266, 304, 336, 342, 361, 378, 399, 432, 456, 504, 513, 532, 684, 722, 756, 798, 912, 1008, 1026, 1064, 1083, 1197, 1368, 1444, 1512, 1596, 2052, 2128, 2166, 2394, 2527, 2736, 2888, 3024, 3192, 3249, 3591, 4104, 4332, 4788, 5054, 5776, 6384, 6498, 7182, 7581, 8208, 8664, 9576, 9747, 10108, 12996, 14364, 15162, 17328, 18521, 19152, 19494, 20216, 22743, 25992, 28728, 30324, 37042, 38988, 40432, 45486, 51984, 55563, 57456, 60648, 68229, 74084, 77976, 90972, 111126, 121296, 129647, 136458, 148168, 155952, 166689, 181944, 222252, 259294, 272916, 296336, 333378, 351899, 363888, 388941, 444504, 500067, 518588, 545832, 666756, 703798, 777882, 889008, 1000134, 1037176, 1055697, 1091664, 1166823, 1333512, 1407596, 1555764, 2000268, 2074352, 2111394, 2333646, 2463293, 2667024, 2815192, 3111528, 3167091, 3500469, 4000536, 4222788, 4667292, 4926586, 5630384, 6223056, 6334182, 6686081, 7000938, 7389879, 8001072, 8445576, 9334584, 9501273, 9853172, 12668364, 13372162, 14001876, 14779758, 16891152, 18669168, 19002546, 19706344, 20058243, 22169637, 25336728, 26744324, 28003752, 29559516, 38005092, 39412688, 40116486, 44339274, 46802567, 50673456, 53488648, 56007504, 59119032, 60174729, 66508911, 76010184, 80232972, 88678548, 93605134, 106977296, 118238064, 120349458, 133017822, 140407701, 152020368, 160465944, 177357096, 180524187, 187210268, 240698916, 266035644, 280815402, 320931888, 354714192, 361048374, 374420536, 421223103, 481397832, 532071288, 561630804, 722096748, 748841072, 842446206, 962795664, 1064142576, 1123261608, 1263669309, 1444193496, 1684892412, 2246523216, 2527338618, 2888386992, 3369784824, 5054677236, 6739569648, 10109354472, 20218708944]

約数ペア:

[(1, 20218708944), (2, 10109354472), (3, 6739569648), (4, 5054677236), (6, 3369784824), (7, 2888386992), (8, 2527338618), (9, 2246523216), (12, 1684892412), (14, 1444193496), (16, 1263669309), (18, 1123261608), (19, 1064142576), (21, 962795664), (24, 842446206), (27, 748841072), (28, 722096748), (36, 561630804), (38, 532071288), (42, 481397832), (48, 421223103), (54, 374420536), (56, 361048374), (57, 354714192), (63, 320931888), (72, 280815402), (76, 266035644), (84, 240698916), (108, 187210268), (112, 180524187), (114, 177357096), (126, 160465944), (133, 152020368), (144, 140407701), (152, 133017822), (168, 120349458), (171, 118238064), (189, 106977296), (216, 93605134), (228, 88678548), (252, 80232972), (266, 76010184), (304, 66508911), (336, 60174729), (342, 59119032), (361, 56007504), (378, 53488648), (399, 50673456), (432, 46802567), (456, 44339274), (504, 40116486), (513, 39412688), (532, 38005092), (684, 29559516), (722, 28003752), (756, 26744324), (798, 25336728), (912, 22169637), (1008, 20058243), (1026, 19706344), (1064, 19002546), (1083, 18669168), (1197, 16891152), (1368, 14779758), (1444, 14001876), (1512, 13372162), (1596, 12668364), (2052, 9853172), (2128, 9501273), (2166, 9334584), (2394, 8445576), (2527, 8001072), (2736, 7389879), (2888, 7000938), (3024, 6686081), (3192, 6334182), (3249, 6223056), (3591, 5630384), (4104, 4926586), (4332, 4667292), (4788, 4222788), (5054, 4000536), (5776, 3500469), (6384, 3167091), (6498, 3111528), (7182, 2815192), (7581, 2667024), (8208, 2463293), (8664, 2333646), (9576, 2111394), (9747, 2074352), (10108, 2000268), (12996, 1555764), (14364, 1407596), (15162, 1333512), (17328, 1166823), (18521, 1091664), (19152, 1055697), (19494, 1037176), (20216, 1000134), (22743, 889008), (25992, 777882), (28728, 703798), (30324, 666756), (37042, 545832), (38988, 518588), (40432, 500067), (45486, 444504), (51984, 388941), (55563, 363888), (57456, 351899), (60648, 333378), (68229, 296336), (74084, 272916), (77976, 259294), (90972, 222252), (111126, 181944), (121296, 166689), (129647, 155952), (136458, 148168)]