20807949

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{11027}}^1$

素因数の和:11084

約数の個数: 16

約数和(自身を含む): 30172608

約数和(自身を除く): 9364659

約数列:

[1, 3, 17, 37, 51, 111, 629, 1887, 11027, 33081, 187459, 407999, 562377, 1223997, 6935983, 20807949]

約数ペア:

[(1, 20807949), (3, 6935983), (17, 1223997), (37, 562377), (51, 407999), (111, 187459), (629, 33081), (1887, 11027)]