16751620

素因数分解:

$2^2\times 5^1\times {\mathrm{419}}^1\times {\mathrm{1999}}^1$

素因数の和:2427

約数の個数: 24

約数和(自身を含む): 35280000

約数和(自身を除く): 18528380

約数列:

[1, 2, 4, 5, 10, 20, 419, 838, 1676, 1999, 2095, 3998, 4190, 7996, 8380, 9995, 19990, 39980, 837581, 1675162, 3350324, 4187905, 8375810, 16751620]

約数ペア:

[(1, 16751620), (2, 8375810), (4, 4187905), (5, 3350324), (10, 1675162), (20, 837581), (419, 39980), (838, 19990), (1676, 9995), (1999, 8380), (2095, 7996), (3998, 4190)]