20357127

素因数分解:

$3^2\times 7^1\times {\mathrm{311}}^1\times {\mathrm{1039}}^1$

素因数の和:1363

約数の個数: 24

約数和(自身を含む): 33745920

約数和(自身を除く): 13388793

約数列:

[1, 3, 7, 9, 21, 63, 311, 933, 1039, 2177, 2799, 3117, 6531, 7273, 9351, 19593, 21819, 65457, 323129, 969387, 2261903, 2908161, 6785709, 20357127]

約数ペア:

[(1, 20357127), (3, 6785709), (7, 2908161), (9, 2261903), (21, 969387), (63, 323129), (311, 65457), (933, 21819), (1039, 19593), (2177, 9351), (2799, 7273), (3117, 6531)]