20757339

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{673}}^1$

素因数の和:851

約数の個数: 24

約数和(自身を含む): 31543200

約数和(自身を除く): 10785861

約数列:

[1, 3, 9, 23, 69, 149, 207, 447, 673, 1341, 2019, 3427, 6057, 10281, 15479, 30843, 46437, 100277, 139311, 300831, 902493, 2306371, 6919113, 20757339]

約数ペア:

[(1, 20757339), (3, 6919113), (9, 2306371), (23, 902493), (69, 300831), (149, 139311), (207, 100277), (447, 46437), (673, 30843), (1341, 15479), (2019, 10281), (3427, 6057)]