20125949181

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{521}}^1\times {\mathrm{9257}}^1$

素因数の和:9901

約数の個数: 32

約数和(自身を含む): 29228024448

約数和(自身を除く): 9102075267

約数列:

[1, 3, 13, 39, 107, 321, 521, 1391, 1563, 4173, 6773, 9257, 20319, 27771, 55747, 120341, 167241, 361023, 724711, 990499, 2174133, 2971497, 4822897, 12876487, 14468691, 38629461, 62697661, 188092983, 516049979, 1548149937, 6708649727, 20125949181]

約数ペア:

[(1, 20125949181), (3, 6708649727), (13, 1548149937), (39, 516049979), (107, 188092983), (321, 62697661), (521, 38629461), (1391, 14468691), (1563, 12876487), (4173, 4822897), (6773, 2971497), (9257, 2174133), (20319, 990499), (27771, 724711), (55747, 361023), (120341, 167241)]