20443886

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{233}}^1\times {\mathrm{2309}}^1$

素因数の和:2563

約数の個数: 16

約数和(自身を含む): 32432400

約数和(自身を除く): 11988514

約数列:

[1, 2, 19, 38, 233, 466, 2309, 4427, 4618, 8854, 43871, 87742, 537997, 1075994, 10221943, 20443886]

約数ペア:

[(1, 20443886), (2, 10221943), (19, 1075994), (38, 537997), (233, 87742), (466, 43871), (2309, 8854), (4427, 4618)]