20288760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{7351}}^1$

素因数の和:7388

約数の個数: 64

約数和(自身を含む): 63521280

約数和(自身を除く): 43232520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 276, 345, 460, 552, 690, 920, 1380, 2760, 7351, 14702, 22053, 29404, 36755, 44106, 58808, 73510, 88212, 110265, 147020, 169073, 176424, 220530, 294040, 338146, 441060, 507219, 676292, 845365, 882120, 1014438, 1352584, 1690730, 2028876, 2536095, 3381460, 4057752, 5072190, 6762920, 10144380, 20288760]

約数ペア:

[(1, 20288760), (2, 10144380), (3, 6762920), (4, 5072190), (5, 4057752), (6, 3381460), (8, 2536095), (10, 2028876), (12, 1690730), (15, 1352584), (20, 1014438), (23, 882120), (24, 845365), (30, 676292), (40, 507219), (46, 441060), (60, 338146), (69, 294040), (92, 220530), (115, 176424), (120, 169073), (138, 147020), (184, 110265), (230, 88212), (276, 73510), (345, 58808), (460, 44106), (552, 36755), (690, 29404), (920, 22053), (1380, 14702), (2760, 7351)]