20512894

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{7603}}^1$

素因数の和:7695

約数の個数: 16

約数和(自身を含む): 32849280

約数和(自身を除く): 12336386

約数列:

[1, 2, 19, 38, 71, 142, 1349, 2698, 7603, 15206, 144457, 288914, 539813, 1079626, 10256447, 20512894]

約数ペア:

[(1, 20512894), (2, 10256447), (19, 1079626), (38, 539813), (71, 288914), (142, 144457), (1349, 15206), (2698, 7603)]