20559939

素因数分解:

$3^1\times {\mathrm{73}}^1\times {\mathrm{269}}^1\times {\mathrm{349}}^1$

素因数の和:694

約数の個数: 16

約数和(自身を含む): 27972000

約数和(自身を除く): 7412061

約数列:

[1, 3, 73, 219, 269, 349, 807, 1047, 19637, 25477, 58911, 76431, 93881, 281643, 6853313, 20559939]

約数ペア:

[(1, 20559939), (3, 6853313), (73, 281643), (219, 93881), (269, 76431), (349, 58911), (807, 25477), (1047, 19637)]