20349969920

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{353}}^1\times {\mathrm{3217}}^1$

素因数の和:3600

約数の個数: 160

約数和(自身を含む): 55937901888

約数和(自身を除く): 35587931968

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 353, 448, 512, 560, 640, 706, 896, 1120, 1280, 1412, 1765, 1792, 2240, 2471, 2560, 2824, 3217, 3530, 3584, 4480, 4942, 5648, 6434, 7060, 8960, 9884, 11296, 12355, 12868, 14120, 16085, 17920, 19768, 22519, 22592, 24710, 25736, 28240, 32170, 39536, 45038, 45184, 49420, 51472, 56480, 64340, 79072, 90076, 90368, 98840, 102944, 112595, 112960, 128680, 158144, 180152, 180736, 197680, 205888, 225190, 225920, 257360, 316288, 360304, 395360, 411776, 450380, 451840, 514720, 632576, 720608, 790720, 823552, 900760, 903680, 1029440, 1135601, 1265152, 1441216, 1581440, 1647104, 1801520, 2058880, 2271202, 2882432, 3162880, 3603040, 4117760, 4542404, 5678005, 5764864, 6325760, 7206080, 7949207, 8235520, 9084808, 11356010, 11529728, 14412160, 15898414, 18169616, 22712020, 28824320, 31796828, 36339232, 39746035, 45424040, 57648640, 63593656, 72678464, 79492070, 90848080, 127187312, 145356928, 158984140, 181696160, 254374624, 290713856, 317968280, 363392320, 508749248, 581427712, 635936560, 726784640, 1017498496, 1271873120, 1453569280, 2034996992, 2543746240, 2907138560, 4069993984, 5087492480, 10174984960, 20349969920]

約数ペア:

[(1, 20349969920), (2, 10174984960), (4, 5087492480), (5, 4069993984), (7, 2907138560), (8, 2543746240), (10, 2034996992), (14, 1453569280), (16, 1271873120), (20, 1017498496), (28, 726784640), (32, 635936560), (35, 581427712), (40, 508749248), (56, 363392320), (64, 317968280), (70, 290713856), (80, 254374624), (112, 181696160), (128, 158984140), (140, 145356928), (160, 127187312), (224, 90848080), (256, 79492070), (280, 72678464), (320, 63593656), (353, 57648640), (448, 45424040), (512, 39746035), (560, 36339232), (640, 31796828), (706, 28824320), (896, 22712020), (1120, 18169616), (1280, 15898414), (1412, 14412160), (1765, 11529728), (1792, 11356010), (2240, 9084808), (2471, 8235520), (2560, 7949207), (2824, 7206080), (3217, 6325760), (3530, 5764864), (3584, 5678005), (4480, 4542404), (4942, 4117760), (5648, 3603040), (6434, 3162880), (7060, 2882432), (8960, 2271202), (9884, 2058880), (11296, 1801520), (12355, 1647104), (12868, 1581440), (14120, 1441216), (16085, 1265152), (17920, 1135601), (19768, 1029440), (22519, 903680), (22592, 900760), (24710, 823552), (25736, 790720), (28240, 720608), (32170, 632576), (39536, 514720), (45038, 451840), (45184, 450380), (49420, 411776), (51472, 395360), (56480, 360304), (64340, 316288), (79072, 257360), (90076, 225920), (90368, 225190), (98840, 205888), (102944, 197680), (112595, 180736), (112960, 180152), (128680, 158144)]