20427145

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{1013}}^1$

素因数の和:1164

約数の個数: 16

約数和(自身を含む): 25431120

約数和(自身を除く): 5003975

約数列:

[1, 5, 37, 109, 185, 545, 1013, 4033, 5065, 20165, 37481, 110417, 187405, 552085, 4085429, 20427145]

約数ペア:

[(1, 20427145), (5, 4085429), (37, 552085), (109, 187405), (185, 110417), (545, 37481), (1013, 20165), (4033, 5065)]