20051009

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{1933}}^1$

素因数の和:2008

約数の個数: 16

約数和(自身を含む): 23393664

約数和(自身を除く): 3342655

約数列:

[1, 11, 23, 41, 253, 451, 943, 1933, 10373, 21263, 44459, 79253, 489049, 871783, 1822819, 20051009]

約数ペア:

[(1, 20051009), (11, 1822819), (23, 871783), (41, 489049), (253, 79253), (451, 44459), (943, 21263), (1933, 10373)]