20080324

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{11131}}^1$

素因数の和:11187

約数の個数: 24

約数和(自身を含む): 39273696

約数和(自身を除く): 19193372

約数列:

[1, 2, 4, 11, 22, 41, 44, 82, 164, 451, 902, 1804, 11131, 22262, 44524, 122441, 244882, 456371, 489764, 912742, 1825484, 5020081, 10040162, 20080324]

約数ペア:

[(1, 20080324), (2, 10040162), (4, 5020081), (11, 1825484), (22, 912742), (41, 489764), (44, 456371), (82, 244882), (164, 122441), (451, 44524), (902, 22262), (1804, 11131)]