20363497

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{449}}^1$

素因数の和:517

約数の個数: 32

約数和(自身を含む): 27648000

約数和(自身を除く): 7284503

約数列:

[1, 7, 11, 19, 31, 77, 133, 209, 217, 341, 449, 589, 1463, 2387, 3143, 4123, 4939, 6479, 8531, 13919, 34573, 45353, 59717, 93841, 97433, 153109, 264461, 656887, 1071763, 1851227, 2909071, 20363497]

約数ペア:

[(1, 20363497), (7, 2909071), (11, 1851227), (19, 1071763), (31, 656887), (77, 264461), (133, 153109), (209, 97433), (217, 93841), (341, 59717), (449, 45353), (589, 34573), (1463, 13919), (2387, 8531), (3143, 6479), (4123, 4939)]