11289620

素因数分解:

$2^2\times 5^1\times {\mathrm{509}}^1\times {\mathrm{1109}}^1$

素因数の和:1627

約数の個数: 24

約数和(自身を含む): 23776200

約数和(自身を除く): 12486580

約数列:

[1, 2, 4, 5, 10, 20, 509, 1018, 1109, 2036, 2218, 2545, 4436, 5090, 5545, 10180, 11090, 22180, 564481, 1128962, 2257924, 2822405, 5644810, 11289620]

約数ペア:

[(1, 11289620), (2, 5644810), (4, 2822405), (5, 2257924), (10, 1128962), (20, 564481), (509, 22180), (1018, 11090), (1109, 10180), (2036, 5545), (2218, 5090), (2545, 4436)]