16828720

素因数分解:

$2^4\times 5^1\times {\mathrm{210359}}^1$

素因数の和:210372

約数の個数: 20

約数和(自身を含む): 39126960

約数和(自身を除く): 22298240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 210359, 420718, 841436, 1051795, 1682872, 2103590, 3365744, 4207180, 8414360, 16828720]

約数ペア:

[(1, 16828720), (2, 8414360), (4, 4207180), (5, 3365744), (8, 2103590), (10, 1682872), (16, 1051795), (20, 841436), (40, 420718), (80, 210359)]