20001315

素因数分解:

$3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{9733}}^1$

素因数の和:9878

約数の個数: 16

約数和(自身を含む): 32239008

約数和(自身を除く): 12237693

約数列:

[1, 3, 5, 15, 137, 411, 685, 2055, 9733, 29199, 48665, 145995, 1333421, 4000263, 6667105, 20001315]

約数ペア:

[(1, 20001315), (3, 6667105), (5, 4000263), (15, 1333421), (137, 145995), (411, 48665), (685, 29199), (2055, 9733)]