20815766048

素因数分解:

$2^5\times 7^2\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{11717}}^1$

素因数の和:11855

約数の個数: 144

約数和(自身を含む): 52515013824

約数和(自身を除く): 31699247776

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 49, 56, 77, 88, 98, 103, 112, 154, 176, 196, 206, 224, 308, 352, 392, 412, 539, 616, 721, 784, 824, 1078, 1133, 1232, 1442, 1568, 1648, 2156, 2266, 2464, 2884, 3296, 4312, 4532, 5047, 5768, 7931, 8624, 9064, 10094, 11536, 11717, 15862, 17248, 18128, 20188, 23072, 23434, 31724, 36256, 40376, 46868, 55517, 63448, 80752, 82019, 93736, 111034, 126896, 128887, 161504, 164038, 187472, 222068, 253792, 257774, 328076, 374944, 444136, 515548, 574133, 656152, 888272, 902209, 1031096, 1148266, 1206851, 1312304, 1776544, 1804418, 2062192, 2296532, 2413702, 2624608, 3608836, 4124384, 4593064, 4827404, 6315463, 7217672, 8447957, 9186128, 9654808, 12630926, 13275361, 14435344, 16895914, 18372256, 19309616, 25261852, 26550722, 28870688, 33791828, 38619232, 50523704, 53101444, 59135699, 67583656, 92927527, 101047408, 106202888, 118271398, 135167312, 185855054, 202094816, 212405776, 236542796, 270334624, 371710108, 424811552, 473085592, 650492689, 743420216, 946171184, 1300985378, 1486840432, 1892342368, 2601970756, 2973680864, 5203941512, 10407883024, 20815766048]

約数ペア:

[(1, 20815766048), (2, 10407883024), (4, 5203941512), (7, 2973680864), (8, 2601970756), (11, 1892342368), (14, 1486840432), (16, 1300985378), (22, 946171184), (28, 743420216), (32, 650492689), (44, 473085592), (49, 424811552), (56, 371710108), (77, 270334624), (88, 236542796), (98, 212405776), (103, 202094816), (112, 185855054), (154, 135167312), (176, 118271398), (196, 106202888), (206, 101047408), (224, 92927527), (308, 67583656), (352, 59135699), (392, 53101444), (412, 50523704), (539, 38619232), (616, 33791828), (721, 28870688), (784, 26550722), (824, 25261852), (1078, 19309616), (1133, 18372256), (1232, 16895914), (1442, 14435344), (1568, 13275361), (1648, 12630926), (2156, 9654808), (2266, 9186128), (2464, 8447957), (2884, 7217672), (3296, 6315463), (4312, 4827404), (4532, 4593064), (5047, 4124384), (5768, 3608836), (7931, 2624608), (8624, 2413702), (9064, 2296532), (10094, 2062192), (11536, 1804418), (11717, 1776544), (15862, 1312304), (17248, 1206851), (18128, 1148266), (20188, 1031096), (23072, 902209), (23434, 888272), (31724, 656152), (36256, 574133), (40376, 515548), (46868, 444136), (55517, 374944), (63448, 328076), (80752, 257774), (82019, 253792), (93736, 222068), (111034, 187472), (126896, 164038), (128887, 161504)]