20348984320

素因数分解:

$2^{10}\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{7187}}^1$

素因数の和:7298

約数の個数: 176

約数和(自身を含む): 56501130240

約数和(自身を除く): 36152145920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 79, 80, 112, 128, 140, 158, 160, 224, 256, 280, 316, 320, 395, 448, 512, 553, 560, 632, 640, 790, 896, 1024, 1106, 1120, 1264, 1280, 1580, 1792, 2212, 2240, 2528, 2560, 2765, 3160, 3584, 4424, 4480, 5056, 5120, 5530, 6320, 7168, 7187, 8848, 8960, 10112, 11060, 12640, 14374, 17696, 17920, 20224, 22120, 25280, 28748, 35392, 35840, 35935, 40448, 44240, 50309, 50560, 57496, 70784, 71870, 80896, 88480, 100618, 101120, 114992, 141568, 143740, 176960, 201236, 202240, 229984, 251545, 283136, 287480, 353920, 402472, 404480, 459968, 503090, 566272, 567773, 574960, 707840, 804944, 919936, 1006180, 1135546, 1149920, 1415680, 1609888, 1839872, 2012360, 2271092, 2299840, 2831360, 2838865, 3219776, 3679744, 3974411, 4024720, 4542184, 4599680, 5677730, 6439552, 7359488, 7948822, 8049440, 9084368, 9199360, 11355460, 12879104, 15897644, 16098880, 18168736, 18398720, 19872055, 22710920, 25758208, 31795288, 32197760, 36337472, 36797440, 39744110, 45421840, 51516416, 63590576, 64395520, 72674944, 79488220, 90843680, 127181152, 128791040, 145349888, 158976440, 181687360, 254362304, 257582080, 290699776, 317952880, 363374720, 508724608, 581399552, 635905760, 726749440, 1017449216, 1271811520, 1453498880, 2034898432, 2543623040, 2906997760, 4069796864, 5087246080, 10174492160, 20348984320]

約数ペア:

[(1, 20348984320), (2, 10174492160), (4, 5087246080), (5, 4069796864), (7, 2906997760), (8, 2543623040), (10, 2034898432), (14, 1453498880), (16, 1271811520), (20, 1017449216), (28, 726749440), (32, 635905760), (35, 581399552), (40, 508724608), (56, 363374720), (64, 317952880), (70, 290699776), (79, 257582080), (80, 254362304), (112, 181687360), (128, 158976440), (140, 145349888), (158, 128791040), (160, 127181152), (224, 90843680), (256, 79488220), (280, 72674944), (316, 64395520), (320, 63590576), (395, 51516416), (448, 45421840), (512, 39744110), (553, 36797440), (560, 36337472), (632, 32197760), (640, 31795288), (790, 25758208), (896, 22710920), (1024, 19872055), (1106, 18398720), (1120, 18168736), (1264, 16098880), (1280, 15897644), (1580, 12879104), (1792, 11355460), (2212, 9199360), (2240, 9084368), (2528, 8049440), (2560, 7948822), (2765, 7359488), (3160, 6439552), (3584, 5677730), (4424, 4599680), (4480, 4542184), (5056, 4024720), (5120, 3974411), (5530, 3679744), (6320, 3219776), (7168, 2838865), (7187, 2831360), (8848, 2299840), (8960, 2271092), (10112, 2012360), (11060, 1839872), (12640, 1609888), (14374, 1415680), (17696, 1149920), (17920, 1135546), (20224, 1006180), (22120, 919936), (25280, 804944), (28748, 707840), (35392, 574960), (35840, 567773), (35935, 566272), (40448, 503090), (44240, 459968), (50309, 404480), (50560, 402472), (57496, 353920), (70784, 287480), (71870, 283136), (80896, 251545), (88480, 229984), (100618, 202240), (101120, 201236), (114992, 176960), (141568, 143740)]