20778078

素因数分解:

$2^1\times 3^1\times {\mathrm{563}}^1\times {\mathrm{6151}}^1$

素因数の和:6719

約数の個数: 16

約数和(自身を含む): 41636736

約数和(自身を除く): 20858658

約数列:

[1, 2, 3, 6, 563, 1126, 1689, 3378, 6151, 12302, 18453, 36906, 3463013, 6926026, 10389039, 20778078]

約数ペア:

[(1, 20778078), (2, 10389039), (3, 6926026), (6, 3463013), (563, 36906), (1126, 18453), (1689, 12302), (3378, 6151)]