20023675

素因数分解:

$5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3691}}^1$

素因数の和:3739

約数の個数: 24

約数和(自身を含む): 29299712

約数和(自身を除く): 9276037

約数列:

[1, 5, 7, 25, 31, 35, 155, 175, 217, 775, 1085, 3691, 5425, 18455, 25837, 92275, 114421, 129185, 572105, 645925, 800947, 2860525, 4004735, 20023675]

約数ペア:

[(1, 20023675), (5, 4004735), (7, 2860525), (25, 800947), (31, 645925), (35, 572105), (155, 129185), (175, 114421), (217, 92275), (775, 25837), (1085, 18455), (3691, 5425)]