20605728

素因数分解:

$2^5\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1$

素因数の和:135

約数の個数: 192

約数和(自身を含む): 67737600

約数和(自身を除く): 47131872

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 16, 19, 22, 24, 26, 32, 33, 38, 39, 44, 48, 52, 57, 66, 76, 78, 79, 88, 96, 104, 114, 132, 143, 152, 156, 158, 176, 208, 209, 228, 237, 247, 264, 286, 304, 312, 316, 352, 416, 418, 429, 456, 474, 494, 528, 572, 608, 624, 627, 632, 741, 836, 858, 869, 912, 948, 988, 1027, 1056, 1144, 1248, 1254, 1264, 1482, 1501, 1672, 1716, 1738, 1824, 1896, 1976, 2054, 2288, 2508, 2528, 2607, 2717, 2964, 3002, 3081, 3344, 3432, 3476, 3792, 3952, 4108, 4503, 4576, 5016, 5214, 5434, 5928, 6004, 6162, 6688, 6864, 6952, 7584, 7904, 8151, 8216, 9006, 10032, 10428, 10868, 11297, 11856, 12008, 12324, 13728, 13904, 16302, 16432, 16511, 18012, 19513, 20064, 20856, 21736, 22594, 23712, 24016, 24648, 27808, 32604, 32864, 33022, 33891, 36024, 39026, 41712, 43472, 45188, 48032, 49296, 49533, 58539, 65208, 66044, 67782, 72048, 78052, 83424, 86944, 90376, 98592, 99066, 117078, 130416, 132088, 135564, 144096, 156104, 180752, 198132, 214643, 234156, 260832, 264176, 271128, 312208, 361504, 396264, 429286, 468312, 528352, 542256, 624416, 643929, 792528, 858572, 936624, 1084512, 1287858, 1585056, 1717144, 1873248, 2575716, 3434288, 5151432, 6868576, 10302864, 20605728]

約数ペア:

[(1, 20605728), (2, 10302864), (3, 6868576), (4, 5151432), (6, 3434288), (8, 2575716), (11, 1873248), (12, 1717144), (13, 1585056), (16, 1287858), (19, 1084512), (22, 936624), (24, 858572), (26, 792528), (32, 643929), (33, 624416), (38, 542256), (39, 528352), (44, 468312), (48, 429286), (52, 396264), (57, 361504), (66, 312208), (76, 271128), (78, 264176), (79, 260832), (88, 234156), (96, 214643), (104, 198132), (114, 180752), (132, 156104), (143, 144096), (152, 135564), (156, 132088), (158, 130416), (176, 117078), (208, 99066), (209, 98592), (228, 90376), (237, 86944), (247, 83424), (264, 78052), (286, 72048), (304, 67782), (312, 66044), (316, 65208), (352, 58539), (416, 49533), (418, 49296), (429, 48032), (456, 45188), (474, 43472), (494, 41712), (528, 39026), (572, 36024), (608, 33891), (624, 33022), (627, 32864), (632, 32604), (741, 27808), (836, 24648), (858, 24016), (869, 23712), (912, 22594), (948, 21736), (988, 20856), (1027, 20064), (1056, 19513), (1144, 18012), (1248, 16511), (1254, 16432), (1264, 16302), (1482, 13904), (1501, 13728), (1672, 12324), (1716, 12008), (1738, 11856), (1824, 11297), (1896, 10868), (1976, 10428), (2054, 10032), (2288, 9006), (2508, 8216), (2528, 8151), (2607, 7904), (2717, 7584), (2964, 6952), (3002, 6864), (3081, 6688), (3344, 6162), (3432, 6004), (3476, 5928), (3792, 5434), (3952, 5214), (4108, 5016), (4503, 4576)]