20628608253

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2179}}^1\times {\mathrm{12473}}^1$

素因数の和:14689

約数の個数: 32

約数和(自身を含む): 31326704640

約数和(自身を除く): 10698096387

約数列:

[1, 3, 11, 23, 33, 69, 253, 759, 2179, 6537, 12473, 23969, 37419, 50117, 71907, 137203, 150351, 286879, 411609, 551287, 860637, 1653861, 3155669, 9467007, 27178667, 81536001, 298965337, 625109341, 896896011, 1875328023, 6876202751, 20628608253]

約数ペア:

[(1, 20628608253), (3, 6876202751), (11, 1875328023), (23, 896896011), (33, 625109341), (69, 298965337), (253, 81536001), (759, 27178667), (2179, 9467007), (6537, 3155669), (12473, 1653861), (23969, 860637), (37419, 551287), (50117, 411609), (71907, 286879), (137203, 150351)]