20195576163

素因数分解:

$3^2\times 7^1\times {\mathrm{193}}^1\times {\mathrm{1660957}}^1$

素因数の和:1661163

約数の個数: 24

約数和(自身を含む): 33511488608

約数和(自身を除く): 13315912445

約数列:

[1, 3, 7, 9, 21, 63, 193, 579, 1351, 1737, 4053, 12159, 1660957, 4982871, 11626699, 14948613, 34880097, 104640291, 320564701, 961694103, 2243952907, 2885082309, 6731858721, 20195576163]

約数ペア:

[(1, 20195576163), (3, 6731858721), (7, 2885082309), (9, 2243952907), (21, 961694103), (63, 320564701), (193, 104640291), (579, 34880097), (1351, 14948613), (1737, 11626699), (4053, 4982871), (12159, 1660957)]