2008990905

素因数分解:

$3^1\times 5^1\times {\mathrm{6661}}^1\times {\mathrm{20107}}^1$

素因数の和:26776

約数の個数: 16

約数和(自身を含む): 3215027904

約数和(自身を除く): 1206036999

約数列:

[1, 3, 5, 15, 6661, 19983, 20107, 33305, 60321, 99915, 100535, 301605, 133932727, 401798181, 669663635, 2008990905]

約数ペア:

[(1, 2008990905), (3, 669663635), (5, 401798181), (15, 133932727), (6661, 301605), (19983, 100535), (20107, 99915), (33305, 60321)]