20047881

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41507}}^1$

素因数の和:41540

約数の個数: 16

約数和(自身を含む): 31878144

約数和(自身を除く): 11830263

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 41507, 124521, 290549, 871647, 954661, 2863983, 6682627, 20047881]

約数ペア:

[(1, 20047881), (3, 6682627), (7, 2863983), (21, 954661), (23, 871647), (69, 290549), (161, 124521), (483, 41507)]