20748656640

素因数分解:

$2^{13}\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{8887}}^1$

素因数の和:8940

約数の個数: 224

約数和(自身を含む): 69893809920

約数和(自身を除く): 49145153280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 60, 64, 76, 80, 95, 96, 114, 120, 128, 152, 160, 190, 192, 228, 240, 256, 285, 304, 320, 380, 384, 456, 480, 512, 570, 608, 640, 760, 768, 912, 960, 1024, 1140, 1216, 1280, 1520, 1536, 1824, 1920, 2048, 2280, 2432, 2560, 3040, 3072, 3648, 3840, 4096, 4560, 4864, 5120, 6080, 6144, 7296, 7680, 8192, 8887, 9120, 9728, 10240, 12160, 12288, 14592, 15360, 17774, 18240, 19456, 20480, 24320, 24576, 26661, 29184, 30720, 35548, 36480, 38912, 40960, 44435, 48640, 53322, 58368, 61440, 71096, 72960, 77824, 88870, 97280, 106644, 116736, 122880, 133305, 142192, 145920, 155648, 168853, 177740, 194560, 213288, 233472, 266610, 284384, 291840, 337706, 355480, 389120, 426576, 466944, 506559, 533220, 568768, 583680, 675412, 710960, 778240, 844265, 853152, 1013118, 1066440, 1137536, 1167360, 1350824, 1421920, 1688530, 1706304, 2026236, 2132880, 2275072, 2334720, 2532795, 2701648, 2843840, 3377060, 3412608, 4052472, 4265760, 4550144, 5065590, 5403296, 5687680, 6754120, 6825216, 8104944, 8531520, 9100288, 10131180, 10806592, 11375360, 13508240, 13650432, 16209888, 17063040, 18200576, 20262360, 21613184, 22750720, 27016480, 27300864, 32419776, 34126080, 36401152, 40524720, 43226368, 45501440, 54032960, 54601728, 64839552, 68252160, 72802304, 81049440, 86452736, 91002880, 108065920, 109203456, 129679104, 136504320, 162098880, 172905472, 182005760, 216131840, 218406912, 259358208, 273008640, 324197760, 345810944, 364011520, 432263680, 518716416, 546017280, 648395520, 691621888, 864527360, 1037432832, 1092034560, 1296791040, 1383243776, 1729054720, 2074865664, 2593582080, 3458109440, 4149731328, 5187164160, 6916218880, 10374328320, 20748656640]

約数ペア:

[(1, 20748656640), (2, 10374328320), (3, 6916218880), (4, 5187164160), (5, 4149731328), (6, 3458109440), (8, 2593582080), (10, 2074865664), (12, 1729054720), (15, 1383243776), (16, 1296791040), (19, 1092034560), (20, 1037432832), (24, 864527360), (30, 691621888), (32, 648395520), (38, 546017280), (40, 518716416), (48, 432263680), (57, 364011520), (60, 345810944), (64, 324197760), (76, 273008640), (80, 259358208), (95, 218406912), (96, 216131840), (114, 182005760), (120, 172905472), (128, 162098880), (152, 136504320), (160, 129679104), (190, 109203456), (192, 108065920), (228, 91002880), (240, 86452736), (256, 81049440), (285, 72802304), (304, 68252160), (320, 64839552), (380, 54601728), (384, 54032960), (456, 45501440), (480, 43226368), (512, 40524720), (570, 36401152), (608, 34126080), (640, 32419776), (760, 27300864), (768, 27016480), (912, 22750720), (960, 21613184), (1024, 20262360), (1140, 18200576), (1216, 17063040), (1280, 16209888), (1520, 13650432), (1536, 13508240), (1824, 11375360), (1920, 10806592), (2048, 10131180), (2280, 9100288), (2432, 8531520), (2560, 8104944), (3040, 6825216), (3072, 6754120), (3648, 5687680), (3840, 5403296), (4096, 5065590), (4560, 4550144), (4864, 4265760), (5120, 4052472), (6080, 3412608), (6144, 3377060), (7296, 2843840), (7680, 2701648), (8192, 2532795), (8887, 2334720), (9120, 2275072), (9728, 2132880), (10240, 2026236), (12160, 1706304), (12288, 1688530), (14592, 1421920), (15360, 1350824), (17774, 1167360), (18240, 1137536), (19456, 1066440), (20480, 1013118), (24320, 853152), (24576, 844265), (26661, 778240), (29184, 710960), (30720, 675412), (35548, 583680), (36480, 568768), (38912, 533220), (40960, 506559), (44435, 466944), (48640, 426576), (53322, 389120), (58368, 355480), (61440, 337706), (71096, 291840), (72960, 284384), (77824, 266610), (88870, 233472), (97280, 213288), (106644, 194560), (116736, 177740), (122880, 168853), (133305, 155648), (142192, 145920)]