20181191680

素因数分解:

$2^{10}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{1571}}^1$

素因数の和:1802

約数の個数: 176

約数和(自身を含む): 52438637664

約数和(自身を除く): 32257445984

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 193, 208, 256, 260, 320, 386, 416, 512, 520, 640, 772, 832, 965, 1024, 1040, 1280, 1544, 1571, 1664, 1930, 2080, 2509, 2560, 3088, 3142, 3328, 3860, 4160, 5018, 5120, 6176, 6284, 6656, 7720, 7855, 8320, 10036, 12352, 12545, 12568, 13312, 15440, 15710, 16640, 20072, 20423, 24704, 25090, 25136, 30880, 31420, 33280, 40144, 40846, 49408, 50180, 50272, 61760, 62840, 66560, 80288, 81692, 98816, 100360, 100544, 102115, 123520, 125680, 160576, 163384, 197632, 200720, 201088, 204230, 247040, 251360, 303203, 321152, 326768, 401440, 402176, 408460, 494080, 502720, 606406, 642304, 653536, 802880, 804352, 816920, 988160, 1005440, 1212812, 1284608, 1307072, 1516015, 1605760, 1608704, 1633840, 2010880, 2425624, 2569216, 2614144, 3032030, 3211520, 3267680, 3941639, 4021760, 4851248, 5228288, 6064060, 6423040, 6535360, 7883278, 8043520, 9702496, 10456576, 12128120, 12846080, 13070720, 15766556, 19404992, 19708195, 20913152, 24256240, 26141440, 31533112, 38809984, 39416390, 48512480, 52282880, 63066224, 77619968, 78832780, 97024960, 104565760, 126132448, 155239936, 157665560, 194049920, 252264896, 310479872, 315331120, 388099840, 504529792, 630662240, 776199680, 1009059584, 1261324480, 1552399360, 2018119168, 2522648960, 4036238336, 5045297920, 10090595840, 20181191680]

約数ペア:

[(1, 20181191680), (2, 10090595840), (4, 5045297920), (5, 4036238336), (8, 2522648960), (10, 2018119168), (13, 1552399360), (16, 1261324480), (20, 1009059584), (26, 776199680), (32, 630662240), (40, 504529792), (52, 388099840), (64, 315331120), (65, 310479872), (80, 252264896), (104, 194049920), (128, 157665560), (130, 155239936), (160, 126132448), (193, 104565760), (208, 97024960), (256, 78832780), (260, 77619968), (320, 63066224), (386, 52282880), (416, 48512480), (512, 39416390), (520, 38809984), (640, 31533112), (772, 26141440), (832, 24256240), (965, 20913152), (1024, 19708195), (1040, 19404992), (1280, 15766556), (1544, 13070720), (1571, 12846080), (1664, 12128120), (1930, 10456576), (2080, 9702496), (2509, 8043520), (2560, 7883278), (3088, 6535360), (3142, 6423040), (3328, 6064060), (3860, 5228288), (4160, 4851248), (5018, 4021760), (5120, 3941639), (6176, 3267680), (6284, 3211520), (6656, 3032030), (7720, 2614144), (7855, 2569216), (8320, 2425624), (10036, 2010880), (12352, 1633840), (12545, 1608704), (12568, 1605760), (13312, 1516015), (15440, 1307072), (15710, 1284608), (16640, 1212812), (20072, 1005440), (20423, 988160), (24704, 816920), (25090, 804352), (25136, 802880), (30880, 653536), (31420, 642304), (33280, 606406), (40144, 502720), (40846, 494080), (49408, 408460), (50180, 402176), (50272, 401440), (61760, 326768), (62840, 321152), (66560, 303203), (80288, 251360), (81692, 247040), (98816, 204230), (100360, 201088), (100544, 200720), (102115, 197632), (123520, 163384), (125680, 160576)]