20512389

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{373}}^1\times {\mathrm{797}}^1$

素因数の和:1196

約数の個数: 16

約数和(自身を含む): 28651392

約数和(自身を除く): 8139003

約数列:

[1, 3, 23, 69, 373, 797, 1119, 2391, 8579, 18331, 25737, 54993, 297281, 891843, 6837463, 20512389]

約数ペア:

[(1, 20512389), (3, 6837463), (23, 891843), (69, 297281), (373, 54993), (797, 25737), (1119, 18331), (2391, 8579)]