20312121

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{461}}^1\times {\mathrm{773}}^1$

素因数の和:1256

約数の個数: 16

約数和(自身を含む): 28607040

約数和(自身を除く): 8294919

約数列:

[1, 3, 19, 57, 461, 773, 1383, 2319, 8759, 14687, 26277, 44061, 356353, 1069059, 6770707, 20312121]

約数ペア:

[(1, 20312121), (3, 6770707), (19, 1069059), (57, 356353), (461, 44061), (773, 26277), (1383, 14687), (2319, 8759)]