20117260

素因数分解:

$2^2\times 5^1\times {\mathrm{907}}^1\times {\mathrm{1109}}^1$

素因数の和:2025

約数の個数: 24

約数和(自身を含む): 42330960

約数和(自身を除く): 22213700

約数列:

[1, 2, 4, 5, 10, 20, 907, 1109, 1814, 2218, 3628, 4436, 4535, 5545, 9070, 11090, 18140, 22180, 1005863, 2011726, 4023452, 5029315, 10058630, 20117260]

約数ペア:

[(1, 20117260), (2, 10058630), (4, 5029315), (5, 4023452), (10, 2011726), (20, 1005863), (907, 22180), (1109, 18140), (1814, 11090), (2218, 9070), (3628, 5545), (4436, 4535)]