20899224

素因数分解:

$2^3\times 3^2\times {\mathrm{109}}^1\times {\mathrm{2663}}^1$

素因数の和:2784

約数の個数: 48

約数和(自身を含む): 57142800

約数和(自身を除く): 36243576

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 109, 218, 327, 436, 654, 872, 981, 1308, 1962, 2616, 2663, 3924, 5326, 7848, 7989, 10652, 15978, 21304, 23967, 31956, 47934, 63912, 95868, 191736, 290267, 580534, 870801, 1161068, 1741602, 2322136, 2612403, 3483204, 5224806, 6966408, 10449612, 20899224]

約数ペア:

[(1, 20899224), (2, 10449612), (3, 6966408), (4, 5224806), (6, 3483204), (8, 2612403), (9, 2322136), (12, 1741602), (18, 1161068), (24, 870801), (36, 580534), (72, 290267), (109, 191736), (218, 95868), (327, 63912), (436, 47934), (654, 31956), (872, 23967), (981, 21304), (1308, 15978), (1962, 10652), (2616, 7989), (2663, 7848), (3924, 5326)]