20609985

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{124909}}^1$

素因数の和:124928

約数の個数: 16

約数和(自身を含む): 35974080

約数和(自身を除く): 15364095

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 124909, 374727, 624545, 1373999, 1873635, 4121997, 6869995, 20609985]

約数ペア:

[(1, 20609985), (3, 6869995), (5, 4121997), (11, 1873635), (15, 1373999), (33, 624545), (55, 374727), (165, 124909)]