20510450

素因数分解:

$2^1\times 5^2\times {\mathrm{311}}^1\times {\mathrm{1319}}^1$

素因数の和:1642

約数の個数: 24

約数和(自身を含む): 38301120

約数和(自身を除く): 17790670

約数列:

[1, 2, 5, 10, 25, 50, 311, 622, 1319, 1555, 2638, 3110, 6595, 7775, 13190, 15550, 32975, 65950, 410209, 820418, 2051045, 4102090, 10255225, 20510450]

約数ペア:

[(1, 20510450), (2, 10255225), (5, 4102090), (10, 2051045), (25, 820418), (50, 410209), (311, 65950), (622, 32975), (1319, 15550), (1555, 13190), (2638, 7775), (3110, 6595)]