20756142

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{421}}^1$

素因数の和:526

約数の個数: 64

約数和(自身を含む): 51045120

約数和(自身を除く): 30288978

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 54, 66, 83, 99, 166, 198, 249, 297, 421, 498, 594, 747, 842, 913, 1263, 1494, 1826, 2241, 2526, 2739, 3789, 4482, 4631, 5478, 7578, 8217, 9262, 11367, 13893, 16434, 22734, 24651, 27786, 34943, 41679, 49302, 69886, 83358, 104829, 125037, 209658, 250074, 314487, 384373, 628974, 768746, 943461, 1153119, 1886922, 2306238, 3459357, 6918714, 10378071, 20756142]

約数ペア:

[(1, 20756142), (2, 10378071), (3, 6918714), (6, 3459357), (9, 2306238), (11, 1886922), (18, 1153119), (22, 943461), (27, 768746), (33, 628974), (54, 384373), (66, 314487), (83, 250074), (99, 209658), (166, 125037), (198, 104829), (249, 83358), (297, 69886), (421, 49302), (498, 41679), (594, 34943), (747, 27786), (842, 24651), (913, 22734), (1263, 16434), (1494, 13893), (1826, 11367), (2241, 9262), (2526, 8217), (2739, 7578), (3789, 5478), (4482, 4631)]