20558208

素因数分解:

$2^7\times 3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:216

約数の個数: 128

約数和(自身を含む): 61885440

約数和(自身を除く): 41327232

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 31, 32, 33, 44, 48, 62, 64, 66, 88, 93, 96, 124, 128, 132, 157, 176, 186, 192, 248, 264, 314, 341, 352, 372, 384, 471, 496, 528, 628, 682, 704, 744, 942, 992, 1023, 1056, 1256, 1364, 1408, 1488, 1727, 1884, 1984, 2046, 2112, 2512, 2728, 2976, 3454, 3768, 3968, 4092, 4224, 4867, 5024, 5181, 5456, 5952, 6908, 7536, 8184, 9734, 10048, 10362, 10912, 11904, 13816, 14601, 15072, 16368, 19468, 20096, 20724, 21824, 27632, 29202, 30144, 32736, 38936, 41448, 43648, 53537, 55264, 58404, 60288, 65472, 77872, 82896, 107074, 110528, 116808, 130944, 155744, 160611, 165792, 214148, 221056, 233616, 311488, 321222, 331584, 428296, 467232, 622976, 642444, 663168, 856592, 934464, 1284888, 1713184, 1868928, 2569776, 3426368, 5139552, 6852736, 10279104, 20558208]

約数ペア:

[(1, 20558208), (2, 10279104), (3, 6852736), (4, 5139552), (6, 3426368), (8, 2569776), (11, 1868928), (12, 1713184), (16, 1284888), (22, 934464), (24, 856592), (31, 663168), (32, 642444), (33, 622976), (44, 467232), (48, 428296), (62, 331584), (64, 321222), (66, 311488), (88, 233616), (93, 221056), (96, 214148), (124, 165792), (128, 160611), (132, 155744), (157, 130944), (176, 116808), (186, 110528), (192, 107074), (248, 82896), (264, 77872), (314, 65472), (341, 60288), (352, 58404), (372, 55264), (384, 53537), (471, 43648), (496, 41448), (528, 38936), (628, 32736), (682, 30144), (704, 29202), (744, 27632), (942, 21824), (992, 20724), (1023, 20096), (1056, 19468), (1256, 16368), (1364, 15072), (1408, 14601), (1488, 13816), (1727, 11904), (1884, 10912), (1984, 10362), (2046, 10048), (2112, 9734), (2512, 8184), (2728, 7536), (2976, 6908), (3454, 5952), (3768, 5456), (3968, 5181), (4092, 5024), (4224, 4867)]