20405088

素因数分解:

$2^5\times 3^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1$

素因数の和:162

約数の個数: 192

約数和(自身を含む): 68947200

約数和(自身を除く): 48542112

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 19, 22, 24, 27, 32, 33, 36, 38, 44, 48, 54, 57, 66, 72, 76, 88, 96, 99, 108, 113, 114, 132, 144, 152, 171, 176, 198, 209, 216, 226, 228, 264, 288, 297, 304, 339, 342, 352, 396, 418, 432, 452, 456, 513, 528, 594, 608, 627, 678, 684, 792, 836, 864, 904, 912, 1017, 1026, 1056, 1188, 1243, 1254, 1356, 1368, 1584, 1672, 1808, 1824, 1881, 2034, 2052, 2147, 2376, 2486, 2508, 2712, 2736, 3051, 3168, 3344, 3616, 3729, 3762, 4068, 4104, 4294, 4752, 4972, 5016, 5424, 5472, 5643, 6102, 6441, 6688, 7458, 7524, 8136, 8208, 8588, 9504, 9944, 10032, 10848, 11187, 11286, 12204, 12882, 14916, 15048, 16272, 16416, 17176, 19323, 19888, 20064, 22374, 22572, 23617, 24408, 25764, 29832, 30096, 32544, 33561, 34352, 38646, 39776, 44748, 45144, 47234, 48816, 51528, 57969, 59664, 60192, 67122, 68704, 70851, 77292, 89496, 90288, 94468, 97632, 103056, 115938, 119328, 134244, 141702, 154584, 178992, 180576, 188936, 206112, 212553, 231876, 268488, 283404, 309168, 357984, 377872, 425106, 463752, 536976, 566808, 618336, 637659, 755744, 850212, 927504, 1073952, 1133616, 1275318, 1700424, 1855008, 2267232, 2550636, 3400848, 5101272, 6801696, 10202544, 20405088]

約数ペア:

[(1, 20405088), (2, 10202544), (3, 6801696), (4, 5101272), (6, 3400848), (8, 2550636), (9, 2267232), (11, 1855008), (12, 1700424), (16, 1275318), (18, 1133616), (19, 1073952), (22, 927504), (24, 850212), (27, 755744), (32, 637659), (33, 618336), (36, 566808), (38, 536976), (44, 463752), (48, 425106), (54, 377872), (57, 357984), (66, 309168), (72, 283404), (76, 268488), (88, 231876), (96, 212553), (99, 206112), (108, 188936), (113, 180576), (114, 178992), (132, 154584), (144, 141702), (152, 134244), (171, 119328), (176, 115938), (198, 103056), (209, 97632), (216, 94468), (226, 90288), (228, 89496), (264, 77292), (288, 70851), (297, 68704), (304, 67122), (339, 60192), (342, 59664), (352, 57969), (396, 51528), (418, 48816), (432, 47234), (452, 45144), (456, 44748), (513, 39776), (528, 38646), (594, 34352), (608, 33561), (627, 32544), (678, 30096), (684, 29832), (792, 25764), (836, 24408), (864, 23617), (904, 22572), (912, 22374), (1017, 20064), (1026, 19888), (1056, 19323), (1188, 17176), (1243, 16416), (1254, 16272), (1356, 15048), (1368, 14916), (1584, 12882), (1672, 12204), (1808, 11286), (1824, 11187), (1881, 10848), (2034, 10032), (2052, 9944), (2147, 9504), (2376, 8588), (2486, 8208), (2508, 8136), (2712, 7524), (2736, 7458), (3051, 6688), (3168, 6441), (3344, 6102), (3616, 5643), (3729, 5472), (3762, 5424), (4068, 5016), (4104, 4972), (4294, 4752)]