20165813305

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{470669}}^1$

素因数の和:470745

約数の個数: 32

約数和(自身を含む): 28466121600

約数和(自身を除く): 8300308295

約数列:

[1, 5, 11, 19, 41, 55, 95, 205, 209, 451, 779, 1045, 2255, 3895, 8569, 42845, 470669, 2353345, 5177359, 8942711, 19297429, 25886795, 44713555, 96487145, 98369821, 212271719, 366651151, 491849105, 1061358595, 1833255755, 4033162661, 20165813305]

約数ペア:

[(1, 20165813305), (5, 4033162661), (11, 1833255755), (19, 1061358595), (41, 491849105), (55, 366651151), (95, 212271719), (205, 98369821), (209, 96487145), (451, 44713555), (779, 25886795), (1045, 19297429), (2255, 8942711), (3895, 5177359), (8569, 2353345), (42845, 470669)]