20608803

素因数分解:

$3^3\times {\mathrm{443}}^1\times {\mathrm{1723}}^1$

素因数の和:2175

約数の個数: 16

約数和(自身を含む): 30618240

約数和(自身を除く): 10009437

約数列:

[1, 3, 9, 27, 443, 1329, 1723, 3987, 5169, 11961, 15507, 46521, 763289, 2289867, 6869601, 20608803]

約数ペア:

[(1, 20608803), (3, 6869601), (9, 2289867), (27, 763289), (443, 46521), (1329, 15507), (1723, 11961), (3987, 5169)]