20275556

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{19571}}^1$

素因数の和:19619

約数の個数: 24

約数和(自身を含む): 41649216

約数和(自身を除く): 21373660

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 518, 1036, 19571, 39142, 78284, 136997, 273994, 547988, 724127, 1448254, 2896508, 5068889, 10137778, 20275556]

約数ペア:

[(1, 20275556), (2, 10137778), (4, 5068889), (7, 2896508), (14, 1448254), (28, 724127), (37, 547988), (74, 273994), (148, 136997), (259, 78284), (518, 39142), (1036, 19571)]