20370728

素因数分解:

$2^3\times 7^1\times {\mathrm{139}}^1\times {\mathrm{2617}}^1$

素因数の和:2769

約数の個数: 32

約数和(自身を含む): 43982400

約数和(自身を除く): 23611672

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 139, 278, 556, 973, 1112, 1946, 2617, 3892, 5234, 7784, 10468, 18319, 20936, 36638, 73276, 146552, 363763, 727526, 1455052, 2546341, 2910104, 5092682, 10185364, 20370728]

約数ペア:

[(1, 20370728), (2, 10185364), (4, 5092682), (7, 2910104), (8, 2546341), (14, 1455052), (28, 727526), (56, 363763), (139, 146552), (278, 73276), (556, 36638), (973, 20936), (1112, 18319), (1946, 10468), (2617, 7784), (3892, 5234)]