20551504

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{75557}}^1$

素因数の和:75582

約数の個数: 20

約数和(自身を含む): 42161364

約数和(自身を除く): 21609860

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 75557, 151114, 302228, 604456, 1208912, 1284469, 2568938, 5137876, 10275752, 20551504]

約数ペア:

[(1, 20551504), (2, 10275752), (4, 5137876), (8, 2568938), (16, 1284469), (17, 1208912), (34, 604456), (68, 302228), (136, 151114), (272, 75557)]