20303181

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{2281}}^1$

素因数の和:2353

約数の個数: 24

約数和(自身を含む): 31327296

約数和(自身を除く): 11024115

約数列:

[1, 3, 9, 23, 43, 69, 129, 207, 387, 989, 2281, 2967, 6843, 8901, 20529, 52463, 98083, 157389, 294249, 472167, 882747, 2255909, 6767727, 20303181]

約数ペア:

[(1, 20303181), (3, 6767727), (9, 2255909), (23, 882747), (43, 472167), (69, 294249), (129, 157389), (207, 98083), (387, 52463), (989, 20529), (2281, 8901), (2967, 6843)]