20028910

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{4441}}^1$

素因数の和:4500

約数の個数: 32

約数和(自身を含む): 40297824

約数和(自身を除く): 20268914

約数列:

[1, 2, 5, 10, 11, 22, 41, 55, 82, 110, 205, 410, 451, 902, 2255, 4441, 4510, 8882, 22205, 44410, 48851, 97702, 182081, 244255, 364162, 488510, 910405, 1820810, 2002891, 4005782, 10014455, 20028910]

約数ペア:

[(1, 20028910), (2, 10014455), (5, 4005782), (10, 2002891), (11, 1820810), (22, 910405), (41, 488510), (55, 364162), (82, 244255), (110, 182081), (205, 97702), (410, 48851), (451, 44410), (902, 22205), (2255, 8882), (4441, 4510)]