20519886

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{179999}}^1$

素因数の和:180023

約数の個数: 16

約数和(自身を含む): 43200000

約数和(自身を除く): 22680114

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 179999, 359998, 539997, 1079994, 3419981, 6839962, 10259943, 20519886]

約数ペア:

[(1, 20519886), (2, 10259943), (3, 6839962), (6, 3419981), (19, 1079994), (38, 539997), (57, 359998), (114, 179999)]