16820444

素因数分解:

$2^2\times {\mathrm{109}}^1\times {\mathrm{173}}^1\times {\mathrm{223}}^1$

素因数の和:509

約数の個数: 24

約数和(自身を含む): 30011520

約数和(自身を除く): 13191076

約数列:

[1, 2, 4, 109, 173, 218, 223, 346, 436, 446, 692, 892, 18857, 24307, 37714, 38579, 48614, 75428, 77158, 97228, 154316, 4205111, 8410222, 16820444]

約数ペア:

[(1, 16820444), (2, 8410222), (4, 4205111), (109, 154316), (173, 97228), (218, 77158), (223, 75428), (346, 48614), (436, 38579), (446, 37714), (692, 24307), (892, 18857)]