20201057793

素因数分解:

$3^2\times 7^1\times {\mathrm{719}}^1\times {\mathrm{445969}}^1$

素因数の和:446701

約数の個数: 24

約数和(自身を含む): 33394233600

約数和(自身を除く): 13193175807

約数列:

[1, 3, 7, 9, 21, 63, 719, 2157, 5033, 6471, 15099, 45297, 445969, 1337907, 3121783, 4013721, 9365349, 28096047, 320651711, 961955133, 2244561977, 2885865399, 6733685931, 20201057793]

約数ペア:

[(1, 20201057793), (3, 6733685931), (7, 2885865399), (9, 2244561977), (21, 961955133), (63, 320651711), (719, 28096047), (2157, 9365349), (5033, 4013721), (6471, 3121783), (15099, 1337907), (45297, 445969)]