20816442

素因数分解:

$2^1\times 3^2\times {\mathrm{307}}^1\times {\mathrm{3767}}^1$

素因数の和:4082

約数の個数: 24

約数和(自身を含む): 45261216

約数和(自身を除く): 24444774

約数列:

[1, 2, 3, 6, 9, 18, 307, 614, 921, 1842, 2763, 3767, 5526, 7534, 11301, 22602, 33903, 67806, 1156469, 2312938, 3469407, 6938814, 10408221, 20816442]

約数ペア:

[(1, 20816442), (2, 10408221), (3, 6938814), (6, 3469407), (9, 2312938), (18, 1156469), (307, 67806), (614, 33903), (921, 22602), (1842, 11301), (2763, 7534), (3767, 5526)]