20514850

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{17839}}^1$

素因数の和:17874

約数の個数: 24

約数和(自身を含む): 39818880

約数和(自身を除く): 19304030

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 115, 230, 575, 1150, 17839, 35678, 89195, 178390, 410297, 445975, 820594, 891950, 2051485, 4102970, 10257425, 20514850]

約数ペア:

[(1, 20514850), (2, 10257425), (5, 4102970), (10, 2051485), (23, 891950), (25, 820594), (46, 445975), (50, 410297), (115, 178390), (230, 89195), (575, 35678), (1150, 17839)]