20990448

素因数分解:

$2^4\times 3^3\times {\mathrm{48589}}^1$

素因数の和:48606

約数の個数: 40

約数和(自身を含む): 60251600

約数和(自身を除く): 39261152

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 144, 216, 432, 48589, 97178, 145767, 194356, 291534, 388712, 437301, 583068, 777424, 874602, 1166136, 1311903, 1749204, 2332272, 2623806, 3498408, 5247612, 6996816, 10495224, 20990448]

約数ペア:

[(1, 20990448), (2, 10495224), (3, 6996816), (4, 5247612), (6, 3498408), (8, 2623806), (9, 2332272), (12, 1749204), (16, 1311903), (18, 1166136), (24, 874602), (27, 777424), (36, 583068), (48, 437301), (54, 388712), (72, 291534), (108, 194356), (144, 145767), (216, 97178), (432, 48589)]