20211079

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1277}}^1$

素因数の和:1327

約数の個数: 24

約数和(自身を含む): 26224560

約数和(自身を除く): 6013481

約数列:

[1, 7, 17, 19, 49, 119, 133, 323, 833, 931, 1277, 2261, 8939, 15827, 21709, 24263, 62573, 151963, 169841, 412471, 1063741, 1188887, 2887297, 20211079]

約数ペア:

[(1, 20211079), (7, 2887297), (17, 1188887), (19, 1063741), (49, 412471), (119, 169841), (133, 151963), (323, 62573), (833, 24263), (931, 21709), (1277, 15827), (2261, 8939)]