20802355917

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{23036939}}^1$

素因数の和:23036992

約数の個数: 16

約数和(自身を含む): 32436011520

約数和(自身を除く): 11633655603

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 23036939, 69110817, 161258573, 483775719, 990588377, 2971765131, 6934118639, 20802355917]

約数ペア:

[(1, 20802355917), (3, 6934118639), (7, 2971765131), (21, 990588377), (43, 483775719), (129, 161258573), (301, 69110817), (903, 23036939)]