20375493

素因数分解:

$3^1\times {\mathrm{23}}^2\times {\mathrm{37}}^1\times {\mathrm{347}}^1$

素因数の和:433

約数の個数: 24

約数和(自身を含む): 29251488

約数和(自身を除く): 8875995

約数列:

[1, 3, 23, 37, 69, 111, 347, 529, 851, 1041, 1587, 2553, 7981, 12839, 19573, 23943, 38517, 58719, 183563, 295297, 550689, 885891, 6791831, 20375493]

約数ペア:

[(1, 20375493), (3, 6791831), (23, 885891), (37, 550689), (69, 295297), (111, 183563), (347, 58719), (529, 38517), (851, 23943), (1041, 19573), (1587, 12839), (2553, 7981)]