20187928

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{109717}}^1$

素因数の和:109746

約数の個数: 16

約数和(自身を含む): 39498480

約数和(自身を除く): 19310552

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 109717, 219434, 438868, 877736, 2523491, 5046982, 10093964, 20187928]

約数ペア:

[(1, 20187928), (2, 10093964), (4, 5046982), (8, 2523491), (23, 877736), (46, 438868), (92, 219434), (184, 109717)]