20707953

素因数分解:

$3^1\times 7^1\times {\mathrm{577}}^1\times {\mathrm{1709}}^1$

素因数の和:2296

約数の個数: 16

約数和(自身を含む): 31628160

約数和(自身を除く): 10920207

約数列:

[1, 3, 7, 21, 577, 1709, 1731, 4039, 5127, 11963, 12117, 35889, 986093, 2958279, 6902651, 20707953]

約数ペア:

[(1, 20707953), (3, 6902651), (7, 2958279), (21, 986093), (577, 35889), (1709, 12117), (1731, 11963), (4039, 5127)]