20520174528

素因数分解:

$2^6\times 3^4\times 7^2\times {\mathrm{80783}}^1$

素因数の和:80821

約数の個数: 210

約数和(自身を含む): 70760240496

約数和(自身を除く): 50240065968

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 49, 54, 56, 63, 64, 72, 81, 84, 96, 98, 108, 112, 126, 144, 147, 162, 168, 189, 192, 196, 216, 224, 252, 288, 294, 324, 336, 378, 392, 432, 441, 448, 504, 567, 576, 588, 648, 672, 756, 784, 864, 882, 1008, 1134, 1176, 1296, 1323, 1344, 1512, 1568, 1728, 1764, 2016, 2268, 2352, 2592, 2646, 3024, 3136, 3528, 3969, 4032, 4536, 4704, 5184, 5292, 6048, 7056, 7938, 9072, 9408, 10584, 12096, 14112, 15876, 18144, 21168, 28224, 31752, 36288, 42336, 63504, 80783, 84672, 127008, 161566, 242349, 254016, 323132, 484698, 565481, 646264, 727047, 969396, 1130962, 1292528, 1454094, 1696443, 1938792, 2181141, 2261924, 2585056, 2908188, 3392886, 3877584, 3958367, 4362282, 4523848, 5089329, 5170112, 5816376, 6543423, 6785772, 7755168, 7916734, 8724564, 9047696, 10178658, 11632752, 11875101, 13086846, 13571544, 15267987, 15510336, 15833468, 17449128, 18095392, 20357316, 23265504, 23750202, 26173692, 27143088, 30535974, 31666936, 34898256, 35625303, 36190784, 40714632, 45803961, 46531008, 47500404, 52347384, 54286176, 61071948, 63333872, 69796512, 71250606, 81429264, 91607922, 95000808, 104694768, 106875909, 108572352, 122143896, 126667744, 139593024, 142501212, 162858528, 183215844, 190001616, 209389536, 213751818, 244287792, 253335488, 285002424, 320627727, 325717056, 366431688, 380003232, 418779072, 427503636, 488575584, 570004848, 641255454, 732863376, 760006464, 855007272, 977151168, 1140009696, 1282510908, 1465726752, 1710014544, 2280019392, 2565021816, 2931453504, 3420029088, 5130043632, 6840058176, 10260087264, 20520174528]

約数ペア:

[(1, 20520174528), (2, 10260087264), (3, 6840058176), (4, 5130043632), (6, 3420029088), (7, 2931453504), (8, 2565021816), (9, 2280019392), (12, 1710014544), (14, 1465726752), (16, 1282510908), (18, 1140009696), (21, 977151168), (24, 855007272), (27, 760006464), (28, 732863376), (32, 641255454), (36, 570004848), (42, 488575584), (48, 427503636), (49, 418779072), (54, 380003232), (56, 366431688), (63, 325717056), (64, 320627727), (72, 285002424), (81, 253335488), (84, 244287792), (96, 213751818), (98, 209389536), (108, 190001616), (112, 183215844), (126, 162858528), (144, 142501212), (147, 139593024), (162, 126667744), (168, 122143896), (189, 108572352), (192, 106875909), (196, 104694768), (216, 95000808), (224, 91607922), (252, 81429264), (288, 71250606), (294, 69796512), (324, 63333872), (336, 61071948), (378, 54286176), (392, 52347384), (432, 47500404), (441, 46531008), (448, 45803961), (504, 40714632), (567, 36190784), (576, 35625303), (588, 34898256), (648, 31666936), (672, 30535974), (756, 27143088), (784, 26173692), (864, 23750202), (882, 23265504), (1008, 20357316), (1134, 18095392), (1176, 17449128), (1296, 15833468), (1323, 15510336), (1344, 15267987), (1512, 13571544), (1568, 13086846), (1728, 11875101), (1764, 11632752), (2016, 10178658), (2268, 9047696), (2352, 8724564), (2592, 7916734), (2646, 7755168), (3024, 6785772), (3136, 6543423), (3528, 5816376), (3969, 5170112), (4032, 5089329), (4536, 4523848), (4704, 4362282), (5184, 3958367), (5292, 3877584), (6048, 3392886), (7056, 2908188), (7938, 2585056), (9072, 2261924), (9408, 2181141), (10584, 1938792), (12096, 1696443), (14112, 1454094), (15876, 1292528), (18144, 1130962), (21168, 969396), (28224, 727047), (31752, 646264), (36288, 565481), (42336, 484698), (63504, 323132), (80783, 254016), (84672, 242349), (127008, 161566)]