16856940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{280949}}^1$

素因数の和:280961

約数の個数: 24

約数和(自身を含む): 47199600

約数和(自身を除く): 30342660

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 280949, 561898, 842847, 1123796, 1404745, 1685694, 2809490, 3371388, 4214235, 5618980, 8428470, 16856940]

約数ペア:

[(1, 16856940), (2, 8428470), (3, 5618980), (4, 4214235), (5, 3371388), (6, 2809490), (10, 1685694), (12, 1404745), (15, 1123796), (20, 842847), (30, 561898), (60, 280949)]