20491814

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{27617}}^1$

素因数の和:27679

約数の個数: 16

約数和(自身を含む): 35792928

約数和(自身を除く): 15301114

約数列:

[1, 2, 7, 14, 53, 106, 371, 742, 27617, 55234, 193319, 386638, 1463701, 2927402, 10245907, 20491814]

約数ペア:

[(1, 20491814), (2, 10245907), (7, 2927402), (14, 1463701), (53, 386638), (106, 193319), (371, 55234), (742, 27617)]