20715853669

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{4001}}^1\times {\mathrm{19991}}^1$

素因数の和:24036

約数の個数: 16

約数和(自身を含む): 24322427136

約数和(自身を除く): 3606573467

約数列:

[1, 7, 37, 259, 4001, 19991, 28007, 139937, 148037, 739667, 1036259, 5177669, 79983991, 559887937, 2959407667, 20715853669]

約数ペア:

[(1, 20715853669), (7, 2959407667), (37, 559887937), (259, 79983991), (4001, 5177669), (19991, 1036259), (28007, 739667), (139937, 148037)]