200711020

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{112759}}^1$

素因数の和:112857

約数の個数: 24

約数和(自身を含む): 426232800

約数和(自身を除く): 225521780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 112759, 225518, 451036, 563795, 1127590, 2255180, 10035551, 20071102, 40142204, 50177755, 100355510, 200711020]

約数ペア:

[(1, 200711020), (2, 100355510), (4, 50177755), (5, 40142204), (10, 20071102), (20, 10035551), (89, 2255180), (178, 1127590), (356, 563795), (445, 451036), (890, 225518), (1780, 112759)]