20286669

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{12097}}^1$

素因数の和:12156

約数の個数: 16

約数和(自身を含む): 29809472

約数和(自身を除く): 9522803

約数列:

[1, 3, 13, 39, 43, 129, 559, 1677, 12097, 36291, 157261, 471783, 520171, 1560513, 6762223, 20286669]

約数ペア:

[(1, 20286669), (3, 6762223), (13, 1560513), (39, 520171), (43, 471783), (129, 157261), (559, 36291), (1677, 12097)]