20765193

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{233}}^1\times {\mathrm{487}}^1$

素因数の和:784

約数の個数: 16

約数和(自身を含む): 28319616

約数和(自身を除く): 7554423

約数列:

[1, 3, 61, 183, 233, 487, 699, 1461, 14213, 29707, 42639, 89121, 113471, 340413, 6921731, 20765193]

約数ペア:

[(1, 20765193), (3, 6921731), (61, 340413), (183, 113471), (233, 89121), (487, 42639), (699, 29707), (1461, 14213)]