20541576

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1$

素因数の和:259

約数の個数: 128

約数和(自身を含む): 62208000

約数和(自身を除く): 41666424

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 17, 22, 23, 24, 33, 34, 44, 46, 51, 66, 68, 69, 88, 92, 102, 132, 136, 138, 184, 187, 199, 204, 253, 264, 276, 374, 391, 398, 408, 506, 552, 561, 597, 748, 759, 782, 796, 1012, 1122, 1173, 1194, 1496, 1518, 1564, 1592, 2024, 2189, 2244, 2346, 2388, 3036, 3128, 3383, 4301, 4378, 4488, 4577, 4692, 4776, 6072, 6567, 6766, 8602, 8756, 9154, 9384, 10149, 12903, 13134, 13532, 13731, 17204, 17512, 18308, 20298, 25806, 26268, 27064, 27462, 34408, 36616, 37213, 40596, 50347, 51612, 52536, 54924, 74426, 77809, 81192, 100694, 103224, 109848, 111639, 148852, 151041, 155618, 201388, 223278, 233427, 297704, 302082, 311236, 402776, 446556, 466854, 604164, 622472, 855899, 893112, 933708, 1208328, 1711798, 1867416, 2567697, 3423596, 5135394, 6847192, 10270788, 20541576]

約数ペア:

[(1, 20541576), (2, 10270788), (3, 6847192), (4, 5135394), (6, 3423596), (8, 2567697), (11, 1867416), (12, 1711798), (17, 1208328), (22, 933708), (23, 893112), (24, 855899), (33, 622472), (34, 604164), (44, 466854), (46, 446556), (51, 402776), (66, 311236), (68, 302082), (69, 297704), (88, 233427), (92, 223278), (102, 201388), (132, 155618), (136, 151041), (138, 148852), (184, 111639), (187, 109848), (199, 103224), (204, 100694), (253, 81192), (264, 77809), (276, 74426), (374, 54924), (391, 52536), (398, 51612), (408, 50347), (506, 40596), (552, 37213), (561, 36616), (597, 34408), (748, 27462), (759, 27064), (782, 26268), (796, 25806), (1012, 20298), (1122, 18308), (1173, 17512), (1194, 17204), (1496, 13731), (1518, 13532), (1564, 13134), (1592, 12903), (2024, 10149), (2189, 9384), (2244, 9154), (2346, 8756), (2388, 8602), (3036, 6766), (3128, 6567), (3383, 6072), (4301, 4776), (4378, 4692), (4488, 4577)]