20041605

素因数分解:

$3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{12037}}^1$

素因数の和:12085

約数の個数: 24

約数和(自身を含む): 35680632

約数和(自身を除く): 15639027

約数列:

[1, 3, 5, 9, 15, 37, 45, 111, 185, 333, 555, 1665, 12037, 36111, 60185, 108333, 180555, 445369, 541665, 1336107, 2226845, 4008321, 6680535, 20041605]

約数ペア:

[(1, 20041605), (3, 6680535), (5, 4008321), (9, 2226845), (15, 1336107), (37, 541665), (45, 445369), (111, 180555), (185, 108333), (333, 60185), (555, 36111), (1665, 12037)]