20725782

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{397}}^1$

素因数の和:533

約数の個数: 64

約数和(自身を含む): 52268544

約数和(自身を除く): 31542762

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 77, 113, 154, 226, 231, 339, 397, 462, 678, 791, 794, 1191, 1243, 1582, 2373, 2382, 2486, 2779, 3729, 4367, 4746, 5558, 7458, 8337, 8701, 8734, 13101, 16674, 17402, 26103, 26202, 30569, 44861, 52206, 61138, 89722, 91707, 134583, 183414, 269166, 314027, 493471, 628054, 942081, 986942, 1480413, 1884162, 2960826, 3454297, 6908594, 10362891, 20725782]

約数ペア:

[(1, 20725782), (2, 10362891), (3, 6908594), (6, 3454297), (7, 2960826), (11, 1884162), (14, 1480413), (21, 986942), (22, 942081), (33, 628054), (42, 493471), (66, 314027), (77, 269166), (113, 183414), (154, 134583), (226, 91707), (231, 89722), (339, 61138), (397, 52206), (462, 44861), (678, 30569), (791, 26202), (794, 26103), (1191, 17402), (1243, 16674), (1582, 13101), (2373, 8734), (2382, 8701), (2486, 8337), (2779, 7458), (3729, 5558), (4367, 4746)]