16900220

素因数分解:

$2^2\times 5^1\times {\mathrm{491}}^1\times {\mathrm{1721}}^1$

素因数の和:2221

約数の個数: 24

約数和(自身を含む): 35583408

約数和(自身を除く): 18683188

約数列:

[1, 2, 4, 5, 10, 20, 491, 982, 1721, 1964, 2455, 3442, 4910, 6884, 8605, 9820, 17210, 34420, 845011, 1690022, 3380044, 4225055, 8450110, 16900220]

約数ペア:

[(1, 16900220), (2, 8450110), (4, 4225055), (5, 3380044), (10, 1690022), (20, 845011), (491, 34420), (982, 17210), (1721, 9820), (1964, 8605), (2455, 6884), (3442, 4910)]