20288744

素因数分解:

$2^3\times 7^2\times {\mathrm{73}}^1\times {\mathrm{709}}^1$

素因数の和:802

約数の個数: 48

約数和(自身を含む): 44921700

約数和(自身を除く): 24632956

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 73, 98, 146, 196, 292, 392, 511, 584, 709, 1022, 1418, 2044, 2836, 3577, 4088, 4963, 5672, 7154, 9926, 14308, 19852, 28616, 34741, 39704, 51757, 69482, 103514, 138964, 207028, 277928, 362299, 414056, 724598, 1449196, 2536093, 2898392, 5072186, 10144372, 20288744]

約数ペア:

[(1, 20288744), (2, 10144372), (4, 5072186), (7, 2898392), (8, 2536093), (14, 1449196), (28, 724598), (49, 414056), (56, 362299), (73, 277928), (98, 207028), (146, 138964), (196, 103514), (292, 69482), (392, 51757), (511, 39704), (584, 34741), (709, 28616), (1022, 19852), (1418, 14308), (2044, 9926), (2836, 7154), (3577, 5672), (4088, 4963)]