20169621

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{39317}}^1$

素因数の和:39345

約数の個数: 16

約数和(自身を含む): 31454400

約数和(自身を除く): 11284779

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 39317, 117951, 353853, 747023, 1061559, 2241069, 6723207, 20169621]

約数ペア:

[(1, 20169621), (3, 6723207), (9, 2241069), (19, 1061559), (27, 747023), (57, 353853), (171, 117951), (513, 39317)]