20778546

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{80537}}^1$

素因数の和:80585

約数の個数: 16

約数和(自身を含む): 42524064

約数和(自身を除く): 21745518

約数列:

[1, 2, 3, 6, 43, 86, 129, 258, 80537, 161074, 241611, 483222, 3463091, 6926182, 10389273, 20778546]

約数ペア:

[(1, 20778546), (2, 10389273), (3, 6926182), (6, 3463091), (43, 483222), (86, 241611), (129, 161074), (258, 80537)]