20458090

素因数分解:

$2^1\times 5^1\times {\mathrm{479}}^1\times {\mathrm{4271}}^1$

素因数の和:4757

約数の個数: 16

約数和(自身を含む): 36910080

約数和(自身を除く): 16451990

約数列:

[1, 2, 5, 10, 479, 958, 2395, 4271, 4790, 8542, 21355, 42710, 2045809, 4091618, 10229045, 20458090]

約数ペア:

[(1, 20458090), (2, 10229045), (5, 4091618), (10, 2045809), (479, 42710), (958, 21355), (2395, 8542), (4271, 4790)]