20177082807

素因数分解:

$3^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{179}}^2\times {\mathrm{191}}^1$

素因数の和:716

約数の個数: 48

約数和(自身を含む): 31278600192

約数和(自身を除く): 11101517385

約数列:

[1, 3, 7, 21, 157, 179, 191, 471, 537, 573, 1099, 1253, 1337, 3297, 3759, 4011, 28103, 29987, 32041, 34189, 84309, 89961, 96123, 102567, 196721, 209909, 224287, 239323, 590163, 629727, 672861, 717969, 5030437, 5367673, 6119831, 15091311, 16103019, 18359493, 35213059, 37573711, 42838817, 105639177, 112721133, 128516451, 960813467, 2882440401, 6725694269, 20177082807]

約数ペア:

[(1, 20177082807), (3, 6725694269), (7, 2882440401), (21, 960813467), (157, 128516451), (179, 112721133), (191, 105639177), (471, 42838817), (537, 37573711), (573, 35213059), (1099, 18359493), (1253, 16103019), (1337, 15091311), (3297, 6119831), (3759, 5367673), (4011, 5030437), (28103, 717969), (29987, 672861), (32041, 629727), (34189, 590163), (84309, 239323), (89961, 224287), (96123, 209909), (102567, 196721)]