20439765

素因数分解:

$3^2\times 5^1\times {\mathrm{433}}^1\times {\mathrm{1049}}^1$

素因数の和:1493

約数の個数: 24

約数和(自身を含む): 35544600

約数和(自身を除く): 15104835

約数列:

[1, 3, 5, 9, 15, 45, 433, 1049, 1299, 2165, 3147, 3897, 5245, 6495, 9441, 15735, 19485, 47205, 454217, 1362651, 2271085, 4087953, 6813255, 20439765]

約数ペア:

[(1, 20439765), (3, 6813255), (5, 4087953), (9, 2271085), (15, 1362651), (45, 454217), (433, 47205), (1049, 19485), (1299, 15735), (2165, 9441), (3147, 6495), (3897, 5245)]