20187331355

素因数分解:

$5^1\times {\mathrm{127}}^1\times {\mathrm{1723}}^1\times {\mathrm{18451}}^1$

素因数の和:20306

約数の個数: 16

約数和(自身を含む): 24431038464

約数和(自身を除く): 4243707109

約数列:

[1, 5, 127, 635, 1723, 8615, 18451, 92255, 218821, 1094105, 2343277, 11716385, 31791073, 158955365, 4037466271, 20187331355]

約数ペア:

[(1, 20187331355), (5, 4037466271), (127, 158955365), (635, 31791073), (1723, 11716385), (8615, 2343277), (18451, 1094105), (92255, 218821)]