20889165

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{126601}}^1$

素因数の和:126620

約数の個数: 16

約数和(自身を含む): 36461376

約数和(自身を除く): 15572211

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 126601, 379803, 633005, 1392611, 1899015, 4177833, 6963055, 20889165]

約数ペア:

[(1, 20889165), (3, 6963055), (5, 4177833), (11, 1899015), (15, 1392611), (33, 633005), (55, 379803), (165, 126601)]