20503854

素因数分解:

$2^1\times 3^6\times 7^3\times {\mathrm{41}}^1$

素因数の和:82

約数の個数: 112

約数和(自身を含む): 55087200

約数和(自身を除く): 34583346

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 41, 42, 49, 54, 63, 81, 82, 98, 123, 126, 147, 162, 189, 243, 246, 287, 294, 343, 369, 378, 441, 486, 567, 574, 686, 729, 738, 861, 882, 1029, 1107, 1134, 1323, 1458, 1701, 1722, 2009, 2058, 2214, 2583, 2646, 3087, 3321, 3402, 3969, 4018, 5103, 5166, 6027, 6174, 6642, 7749, 7938, 9261, 9963, 10206, 11907, 12054, 14063, 15498, 18081, 18522, 19926, 23247, 23814, 27783, 28126, 29889, 35721, 36162, 42189, 46494, 54243, 55566, 59778, 69741, 71442, 83349, 84378, 108486, 126567, 139482, 162729, 166698, 209223, 250047, 253134, 325458, 379701, 418446, 488187, 500094, 759402, 976374, 1139103, 1464561, 2278206, 2929122, 3417309, 6834618, 10251927, 20503854]

約数ペア:

[(1, 20503854), (2, 10251927), (3, 6834618), (6, 3417309), (7, 2929122), (9, 2278206), (14, 1464561), (18, 1139103), (21, 976374), (27, 759402), (41, 500094), (42, 488187), (49, 418446), (54, 379701), (63, 325458), (81, 253134), (82, 250047), (98, 209223), (123, 166698), (126, 162729), (147, 139482), (162, 126567), (189, 108486), (243, 84378), (246, 83349), (287, 71442), (294, 69741), (343, 59778), (369, 55566), (378, 54243), (441, 46494), (486, 42189), (567, 36162), (574, 35721), (686, 29889), (729, 28126), (738, 27783), (861, 23814), (882, 23247), (1029, 19926), (1107, 18522), (1134, 18081), (1323, 15498), (1458, 14063), (1701, 12054), (1722, 11907), (2009, 10206), (2058, 9963), (2214, 9261), (2583, 7938), (2646, 7749), (3087, 6642), (3321, 6174), (3402, 6027), (3969, 5166), (4018, 5103)]