20285852

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{1999}}^1$

素因数の和:2105

約数の個数: 24

約数和(自身を含む): 36960000

約数和(自身を除く): 16674148

約数列:

[1, 2, 4, 43, 59, 86, 118, 172, 236, 1999, 2537, 3998, 5074, 7996, 10148, 85957, 117941, 171914, 235882, 343828, 471764, 5071463, 10142926, 20285852]

約数ペア:

[(1, 20285852), (2, 10142926), (4, 5071463), (43, 471764), (59, 343828), (86, 235882), (118, 171914), (172, 117941), (236, 85957), (1999, 10148), (2537, 7996), (3998, 5074)]