20199666403

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{353}}^1\times {\mathrm{4021}}^1$

素因数の和:4507

約数の個数: 32

約数和(自身を含む): 24603056640

約数和(自身を除く): 4403390237

約数列:

[1, 7, 19, 107, 133, 353, 749, 2033, 2471, 4021, 6707, 14231, 28147, 37771, 46949, 76399, 264397, 430247, 534793, 717649, 1419413, 3011729, 5023543, 8174693, 9935891, 26968847, 57222851, 151877191, 188781929, 1063140337, 2885666629, 20199666403]

約数ペア:

[(1, 20199666403), (7, 2885666629), (19, 1063140337), (107, 188781929), (133, 151877191), (353, 57222851), (749, 26968847), (2033, 9935891), (2471, 8174693), (4021, 5023543), (6707, 3011729), (14231, 1419413), (28147, 717649), (37771, 534793), (46949, 430247), (76399, 264397)]