20212193

素因数分解:

${\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{191}}^1$

素因数の和:364

約数の個数: 16

約数和(自身を含む): 21897216

約数和(自身を除く): 1685023

約数列:

[1, 23, 43, 107, 191, 989, 2461, 4393, 4601, 8213, 20437, 105823, 188899, 470051, 878791, 20212193]

約数ペア:

[(1, 20212193), (23, 878791), (43, 470051), (107, 188899), (191, 105823), (989, 20437), (2461, 8213), (4393, 4601)]