20216876

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{2341}}^1$

素因数の和:2489

約数の個数: 24

約数和(自身を含む): 37771776

約数和(自身を除く): 17554900

約数列:

[1, 2, 4, 17, 34, 68, 127, 254, 508, 2159, 2341, 4318, 4682, 8636, 9364, 39797, 79594, 159188, 297307, 594614, 1189228, 5054219, 10108438, 20216876]

約数ペア:

[(1, 20216876), (2, 10108438), (4, 5054219), (17, 1189228), (34, 594614), (68, 297307), (127, 159188), (254, 79594), (508, 39797), (2159, 9364), (2341, 8636), (4318, 4682)]