20785055330

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3359}}^1\times {\mathrm{47599}}^1$

素因数の和:50978

約数の個数: 32

約数和(自身を含む): 40303872000

約数和(自身を除く): 19518816670

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 3359, 6718, 16795, 33590, 43667, 47599, 87334, 95198, 218335, 237995, 436670, 475990, 618787, 1237574, 3093935, 6187870, 159885041, 319770082, 799425205, 1598850410, 2078505533, 4157011066, 10392527665, 20785055330]

約数ペア:

[(1, 20785055330), (2, 10392527665), (5, 4157011066), (10, 2078505533), (13, 1598850410), (26, 799425205), (65, 319770082), (130, 159885041), (3359, 6187870), (6718, 3093935), (16795, 1237574), (33590, 618787), (43667, 475990), (47599, 436670), (87334, 237995), (95198, 218335)]