20131878669

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{311557}}^1$

素因数の和:311765

約数の個数: 32

約数和(自身を含む): 32661248256

約数和(自身を除く): 12529369587

約数列:

[1, 3, 7, 17, 21, 51, 119, 181, 357, 543, 1267, 3077, 3801, 9231, 21539, 64617, 311557, 934671, 2180899, 5296469, 6542697, 15889407, 37075283, 56391817, 111225849, 169175451, 394742719, 958660889, 1184228157, 2875982667, 6710626223, 20131878669]

約数ペア:

[(1, 20131878669), (3, 6710626223), (7, 2875982667), (17, 1184228157), (21, 958660889), (51, 394742719), (119, 169175451), (181, 111225849), (357, 56391817), (543, 37075283), (1267, 15889407), (3077, 6542697), (3801, 5296469), (9231, 2180899), (21539, 934671), (64617, 311557)]