20110399085

素因数分解:

$5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{1997}}^1\times {\mathrm{2689}}^1$

素因数の和:4805

約数の個数: 32

約数和(自身を含む): 27862030080

約数和(自身を除く): 7751630995

約数列:

[1, 5, 7, 35, 107, 535, 749, 1997, 2689, 3745, 9985, 13445, 13979, 18823, 69895, 94115, 213679, 287723, 1068395, 1438615, 1495753, 2014061, 5369933, 7478765, 10070305, 26849665, 37589531, 187947655, 574582831, 2872914155, 4022079817, 20110399085]

約数ペア:

[(1, 20110399085), (5, 4022079817), (7, 2872914155), (35, 574582831), (107, 187947655), (535, 37589531), (749, 26849665), (1997, 10070305), (2689, 7478765), (3745, 5369933), (9985, 2014061), (13445, 1495753), (13979, 1438615), (18823, 1068395), (69895, 287723), (94115, 213679)]