20301891

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{337}}^1\times {\mathrm{467}}^1$

素因数の和:850

約数の個数: 16

約数和(自身を含む): 27840384

約数和(自身を除く): 7538493

約数列:

[1, 3, 43, 129, 337, 467, 1011, 1401, 14491, 20081, 43473, 60243, 157379, 472137, 6767297, 20301891]

約数ペア:

[(1, 20301891), (3, 6767297), (43, 472137), (129, 157379), (337, 60243), (467, 43473), (1011, 20081), (1401, 14491)]