20172730864

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{557}}^1\times {\mathrm{1439}}^1$

素因数の和:2039

約数の個数: 120

約数和(自身を含む): 46380781440

約数和(自身を除く): 26208050576

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 104, 121, 143, 176, 208, 242, 286, 484, 557, 572, 968, 1114, 1144, 1439, 1573, 1936, 2228, 2288, 2878, 3146, 4456, 5756, 6127, 6292, 7241, 8912, 11512, 12254, 12584, 14482, 15829, 18707, 23024, 24508, 25168, 28964, 31658, 37414, 49016, 57928, 63316, 67397, 74828, 79651, 98032, 115856, 126632, 134794, 149656, 159302, 174119, 205777, 253264, 269588, 299312, 318604, 348238, 411554, 539176, 637208, 696476, 801523, 823108, 876161, 1078352, 1274416, 1392952, 1603046, 1646216, 1752322, 2263547, 2785904, 3206092, 3292432, 3504644, 4527094, 6412184, 7009288, 8816753, 9054188, 10419799, 12824368, 14018576, 17633506, 18108376, 20839598, 35267012, 36216752, 41679196, 70534024, 83358392, 96984283, 114617789, 141068048, 166716784, 193968566, 229235578, 387937132, 458471156, 775874264, 916942312, 1260795679, 1551748528, 1833884624, 2521591358, 5043182716, 10086365432, 20172730864]

約数ペア:

[(1, 20172730864), (2, 10086365432), (4, 5043182716), (8, 2521591358), (11, 1833884624), (13, 1551748528), (16, 1260795679), (22, 916942312), (26, 775874264), (44, 458471156), (52, 387937132), (88, 229235578), (104, 193968566), (121, 166716784), (143, 141068048), (176, 114617789), (208, 96984283), (242, 83358392), (286, 70534024), (484, 41679196), (557, 36216752), (572, 35267012), (968, 20839598), (1114, 18108376), (1144, 17633506), (1439, 14018576), (1573, 12824368), (1936, 10419799), (2228, 9054188), (2288, 8816753), (2878, 7009288), (3146, 6412184), (4456, 4527094), (5756, 3504644), (6127, 3292432), (6292, 3206092), (7241, 2785904), (8912, 2263547), (11512, 1752322), (12254, 1646216), (12584, 1603046), (14482, 1392952), (15829, 1274416), (18707, 1078352), (23024, 876161), (24508, 823108), (25168, 801523), (28964, 696476), (31658, 637208), (37414, 539176), (49016, 411554), (57928, 348238), (63316, 318604), (67397, 299312), (74828, 269588), (79651, 253264), (98032, 205777), (115856, 174119), (126632, 159302), (134794, 149656)]