20747541

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{1511}}^1$

素因数の和:1736

約数の個数: 16

約数和(自身を含む): 29030400

約数和(自身を除く): 8282859

約数列:

[1, 3, 23, 69, 199, 597, 1511, 4533, 4577, 13731, 34753, 104259, 300689, 902067, 6915847, 20747541]

約数ペア:

[(1, 20747541), (3, 6915847), (23, 902067), (69, 300689), (199, 104259), (597, 34753), (1511, 13731), (4533, 4577)]