2020204025

素因数分解:

$5^2\times 7^1\times {\mathrm{1973}}^1\times {\mathrm{5851}}^1$

素因数の和:7841

約数の個数: 24

約数和(自身を含む): 2864858304

約数和(自身を除く): 844654279

約数列:

[1, 5, 7, 25, 35, 175, 1973, 5851, 9865, 13811, 29255, 40957, 49325, 69055, 146275, 204785, 345275, 1023925, 11544023, 57720115, 80808161, 288600575, 404040805, 2020204025]

約数ペア:

[(1, 2020204025), (5, 404040805), (7, 288600575), (25, 80808161), (35, 57720115), (175, 11544023), (1973, 1023925), (5851, 345275), (9865, 204785), (13811, 146275), (29255, 69055), (40957, 49325)]