20355190

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{22871}}^1$

素因数の和:22967

約数の個数: 16

約数和(自身を含む): 37052640

約数和(自身を除く): 16697450

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 22871, 45742, 114355, 228710, 2035519, 4071038, 10177595, 20355190]

約数ペア:

[(1, 20355190), (2, 10177595), (5, 4071038), (10, 2035519), (89, 228710), (178, 114355), (445, 45742), (890, 22871)]