20748283920

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{105557}}^1$

素因数の和:105599

約数の個数: 320

約数和(自身を含む): 87959370240

約数和(自身を除く): 67211086320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 18, 20, 21, 24, 26, 27, 28, 30, 35, 36, 39, 40, 42, 45, 48, 52, 54, 56, 60, 63, 65, 70, 72, 78, 80, 84, 90, 91, 104, 105, 108, 112, 117, 120, 126, 130, 135, 140, 144, 156, 168, 180, 182, 189, 195, 208, 210, 216, 234, 240, 252, 260, 270, 273, 280, 312, 315, 336, 351, 360, 364, 378, 390, 420, 432, 455, 468, 504, 520, 540, 546, 560, 585, 624, 630, 702, 720, 728, 756, 780, 819, 840, 910, 936, 945, 1008, 1040, 1080, 1092, 1170, 1260, 1365, 1404, 1456, 1512, 1560, 1638, 1680, 1755, 1820, 1872, 1890, 2160, 2184, 2340, 2457, 2520, 2730, 2808, 3024, 3120, 3276, 3510, 3640, 3780, 4095, 4368, 4680, 4914, 5040, 5460, 5616, 6552, 7020, 7280, 7560, 8190, 9360, 9828, 10920, 12285, 13104, 14040, 15120, 16380, 19656, 21840, 24570, 28080, 32760, 39312, 49140, 65520, 98280, 105557, 196560, 211114, 316671, 422228, 527785, 633342, 738899, 844456, 950013, 1055570, 1266684, 1372241, 1477798, 1583355, 1688912, 1900026, 2111140, 2216697, 2533368, 2744482, 2850039, 2955596, 3166710, 3694495, 3800052, 4116723, 4222280, 4433394, 4750065, 5066736, 5488964, 5700078, 5911192, 6333420, 6650091, 6861205, 7388990, 7600104, 8233446, 8444560, 8866788, 9500130, 9605687, 10977928, 11083485, 11400156, 11822384, 12350169, 12666840, 13300182, 13722410, 14250195, 14777980, 15200208, 16466892, 17733576, 19000260, 19211374, 19950273, 20583615, 21955856, 22166970, 22800312, 24700338, 25333680, 26600364, 27444820, 28500390, 28817061, 29555960, 32933784, 33250455, 35467152, 37050507, 38000520, 38422748, 39900546, 41167230, 44333940, 45600624, 48028435, 49400676, 53200728, 54889640, 57000780, 57634122, 59111920, 61750845, 65867568, 66500910, 74101014, 76001040, 76845496, 79801092, 82334460, 86451183, 88667880, 96056870, 98801352, 99751365, 106401456, 109779280, 114001560, 115268244, 123501690, 133001820, 144085305, 148202028, 153690992, 159602184, 164668920, 172902366, 177335760, 185252535, 192113740, 197602704, 199502730, 228003120, 230536488, 247003380, 259353549, 266003640, 288170610, 296404056, 319204368, 329337840, 345804732, 370505070, 384227480, 399005460, 432255915, 461072976, 494006760, 518707098, 532007280, 576341220, 592808112, 691609464, 741010140, 768454960, 798010920, 864511830, 988013520, 1037414196, 1152682440, 1296767745, 1383218928, 1482020280, 1596021840, 1729023660, 2074828392, 2305364880, 2593535490, 2964040560, 3458047320, 4149656784, 5187070980, 6916094640, 10374141960, 20748283920]

約数ペア:

[(1, 20748283920), (2, 10374141960), (3, 6916094640), (4, 5187070980), (5, 4149656784), (6, 3458047320), (7, 2964040560), (8, 2593535490), (9, 2305364880), (10, 2074828392), (12, 1729023660), (13, 1596021840), (14, 1482020280), (15, 1383218928), (16, 1296767745), (18, 1152682440), (20, 1037414196), (21, 988013520), (24, 864511830), (26, 798010920), (27, 768454960), (28, 741010140), (30, 691609464), (35, 592808112), (36, 576341220), (39, 532007280), (40, 518707098), (42, 494006760), (45, 461072976), (48, 432255915), (52, 399005460), (54, 384227480), (56, 370505070), (60, 345804732), (63, 329337840), (65, 319204368), (70, 296404056), (72, 288170610), (78, 266003640), (80, 259353549), (84, 247003380), (90, 230536488), (91, 228003120), (104, 199502730), (105, 197602704), (108, 192113740), (112, 185252535), (117, 177335760), (120, 172902366), (126, 164668920), (130, 159602184), (135, 153690992), (140, 148202028), (144, 144085305), (156, 133001820), (168, 123501690), (180, 115268244), (182, 114001560), (189, 109779280), (195, 106401456), (208, 99751365), (210, 98801352), (216, 96056870), (234, 88667880), (240, 86451183), (252, 82334460), (260, 79801092), (270, 76845496), (273, 76001040), (280, 74101014), (312, 66500910), (315, 65867568), (336, 61750845), (351, 59111920), (360, 57634122), (364, 57000780), (378, 54889640), (390, 53200728), (420, 49400676), (432, 48028435), (455, 45600624), (468, 44333940), (504, 41167230), (520, 39900546), (540, 38422748), (546, 38000520), (560, 37050507), (585, 35467152), (624, 33250455), (630, 32933784), (702, 29555960), (720, 28817061), (728, 28500390), (756, 27444820), (780, 26600364), (819, 25333680), (840, 24700338), (910, 22800312), (936, 22166970), (945, 21955856), (1008, 20583615), (1040, 19950273), (1080, 19211374), (1092, 19000260), (1170, 17733576), (1260, 16466892), (1365, 15200208), (1404, 14777980), (1456, 14250195), (1512, 13722410), (1560, 13300182), (1638, 12666840), (1680, 12350169), (1755, 11822384), (1820, 11400156), (1872, 11083485), (1890, 10977928), (2160, 9605687), (2184, 9500130), (2340, 8866788), (2457, 8444560), (2520, 8233446), (2730, 7600104), (2808, 7388990), (3024, 6861205), (3120, 6650091), (3276, 6333420), (3510, 5911192), (3640, 5700078), (3780, 5488964), (4095, 5066736), (4368, 4750065), (4680, 4433394), (4914, 4222280), (5040, 4116723), (5460, 3800052), (5616, 3694495), (6552, 3166710), (7020, 2955596), (7280, 2850039), (7560, 2744482), (8190, 2533368), (9360, 2216697), (9828, 2111140), (10920, 1900026), (12285, 1688912), (13104, 1583355), (14040, 1477798), (15120, 1372241), (16380, 1266684), (19656, 1055570), (21840, 950013), (24570, 844456), (28080, 738899), (32760, 633342), (39312, 527785), (49140, 422228), (65520, 316671), (98280, 211114), (105557, 196560)]