1382020

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1607}}^1$

素因数の和:1659

約数の個数: 24

約数和(自身を含む): 2971584

約数和(自身を除く): 1589564

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 1607, 3214, 6428, 8035, 16070, 32140, 69101, 138202, 276404, 345505, 691010, 1382020]

約数ペア:

[(1, 1382020), (2, 691010), (4, 345505), (5, 276404), (10, 138202), (20, 69101), (43, 32140), (86, 16070), (172, 8035), (215, 6428), (430, 3214), (860, 1607)]