20494030

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{23027}}^1$

素因数の和:23123

約数の個数: 16

約数和(自身を含む): 37305360

約数和(自身を除く): 16811330

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 23027, 46054, 115135, 230270, 2049403, 4098806, 10247015, 20494030]

約数ペア:

[(1, 20494030), (2, 10247015), (5, 4098806), (10, 2049403), (89, 230270), (178, 115135), (445, 46054), (890, 23027)]