20777029215

素因数分解:

$3^1\times 5^1\times {\mathrm{349}}^1\times {\mathrm{3968869}}^1$

素因数の和:3969226

約数の個数: 16

約数和(自身を含む): 33338508000

約数和(自身を除く): 12561478785

約数列:

[1, 3, 5, 15, 349, 1047, 1745, 5235, 3968869, 11906607, 19844345, 59533035, 1385135281, 4155405843, 6925676405, 20777029215]

約数ペア:

[(1, 20777029215), (3, 6925676405), (5, 4155405843), (15, 1385135281), (349, 59533035), (1047, 19844345), (1745, 11906607), (5235, 3968869)]