20349804945

素因数分解:

$3^1\times 5^1\times {\mathrm{2203}}^1\times {\mathrm{615821}}^1$

素因数の和:618032

約数の個数: 16

約数和(自身を含む): 32574520512

約数和(自身を除く): 12224715567

約数列:

[1, 3, 5, 15, 2203, 6609, 11015, 33045, 615821, 1847463, 3079105, 9237315, 1356653663, 4069960989, 6783268315, 20349804945]

約数ペア:

[(1, 20349804945), (3, 6783268315), (5, 4069960989), (15, 1356653663), (2203, 9237315), (6609, 3079105), (11015, 1847463), (33045, 615821)]