20112754

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{89}}^1\times {\mathrm{313}}^1$

素因数の和:442

約数の個数: 24

約数和(自身を含む): 32301180

約数和(自身を除く): 12188426

約数列:

[1, 2, 19, 38, 89, 178, 313, 361, 626, 722, 1691, 3382, 5947, 11894, 27857, 32129, 55714, 64258, 112993, 225986, 529283, 1058566, 10056377, 20112754]

約数ペア:

[(1, 20112754), (2, 10056377), (19, 1058566), (38, 529283), (89, 225986), (178, 112993), (313, 64258), (361, 55714), (626, 32129), (722, 27857), (1691, 11894), (3382, 5947)]