20783697

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{197}}^1$

素因数の和:373

約数の個数: 32

約数和(自身を含む): 31933440

約数和(自身を除く): 11149743

約数列:

[1, 3, 11, 23, 33, 69, 139, 197, 253, 417, 591, 759, 1529, 2167, 3197, 4531, 4587, 6501, 9591, 13593, 27383, 35167, 49841, 82149, 105501, 149523, 301213, 629809, 903639, 1889427, 6927899, 20783697]

約数ペア:

[(1, 20783697), (3, 6927899), (11, 1889427), (23, 903639), (33, 629809), (69, 301213), (139, 149523), (197, 105501), (253, 82149), (417, 49841), (591, 35167), (759, 27383), (1529, 13593), (2167, 9591), (3197, 6501), (4531, 4587)]