20089947

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{257}}^1\times {\mathrm{367}}^1$

素因数の和:698

約数の個数: 16

約数和(自身を含む): 27343872

約数和(自身を除く): 7253925

約数列:

[1, 3, 71, 213, 257, 367, 771, 1101, 18247, 26057, 54741, 78171, 94319, 282957, 6696649, 20089947]

約数ペア:

[(1, 20089947), (3, 6696649), (71, 282957), (213, 94319), (257, 78171), (367, 54741), (771, 26057), (1101, 18247)]