20059090

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{14431}}^1$

素因数の和:14577

約数の個数: 16

約数和(自身を含む): 36368640

約数和(自身を除く): 16309550

約数列:

[1, 2, 5, 10, 139, 278, 695, 1390, 14431, 28862, 72155, 144310, 2005909, 4011818, 10029545, 20059090]

約数ペア:

[(1, 20059090), (2, 10029545), (5, 4011818), (10, 2005909), (139, 144310), (278, 72155), (695, 28862), (1390, 14431)]