17620180

素因数分解:

$2^2\times 5^1\times {\mathrm{881009}}^1$

素因数の和:881018

約数の個数: 12

約数和(自身を含む): 37002420

約数和(自身を除く): 19382240

約数列:

[1, 2, 4, 5, 10, 20, 881009, 1762018, 3524036, 4405045, 8810090, 17620180]

約数ペア:

[(1, 17620180), (2, 8810090), (4, 4405045), (5, 3524036), (10, 1762018), (20, 881009)]