20474283

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{1327}}^1$

素因数の和:1506

約数の個数: 16

約数和(自身を含む): 28259840

約数和(自身を除く): 7785557

約数列:

[1, 3, 37, 111, 139, 417, 1327, 3981, 5143, 15429, 49099, 147297, 184453, 553359, 6824761, 20474283]

約数ペア:

[(1, 20474283), (3, 6824761), (37, 553359), (111, 184453), (139, 147297), (417, 49099), (1327, 15429), (3981, 5143)]