16452980

素因数分解:

$2^2\times 5^1\times {\mathrm{907}}^2$

素因数の和:1823

約数の個数: 18

約数和(自身を含む): 34589394

約数和(自身を除く): 18136414

約数列:

[1, 2, 4, 5, 10, 20, 907, 1814, 3628, 4535, 9070, 18140, 822649, 1645298, 3290596, 4113245, 8226490, 16452980]

約数ペア:

[(1, 16452980), (2, 8226490), (4, 4113245), (5, 3290596), (10, 1645298), (20, 822649), (907, 18140), (1814, 9070), (3628, 4535)]