20644850

素因数分解:

$2^1\times 5^2\times {\mathrm{283}}^1\times {\mathrm{1459}}^1$

素因数の和:1754

約数の個数: 24

約数和(自身を含む): 38561520

約数和(自身を除く): 17916670

約数列:

[1, 2, 5, 10, 25, 50, 283, 566, 1415, 1459, 2830, 2918, 7075, 7295, 14150, 14590, 36475, 72950, 412897, 825794, 2064485, 4128970, 10322425, 20644850]

約数ペア:

[(1, 20644850), (2, 10322425), (5, 4128970), (10, 2064485), (25, 825794), (50, 412897), (283, 72950), (566, 36475), (1415, 14590), (1459, 14150), (2830, 7295), (2918, 7075)]