20112890133

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1\times {\mathrm{113063}}^1$

素因数の和:113313

約数の個数: 32

約数和(自身を含む): 31520434176

約数和(自身を除く): 11407544043

約数列:

[1, 3, 7, 21, 43, 129, 197, 301, 591, 903, 1379, 4137, 8471, 25413, 59297, 113063, 177891, 339189, 791441, 2374323, 4861709, 14585127, 22273411, 34031963, 66820233, 102095889, 155913877, 467741631, 957756673, 2873270019, 6704296711, 20112890133]

約数ペア:

[(1, 20112890133), (3, 6704296711), (7, 2873270019), (21, 957756673), (43, 467741631), (129, 155913877), (197, 102095889), (301, 66820233), (591, 34031963), (903, 22273411), (1379, 14585127), (4137, 4861709), (8471, 2374323), (25413, 791441), (59297, 339189), (113063, 177891)]