20691732

素因数分解:

$2^2\times 3^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{1607}}^1$

素因数の和:1680

約数の個数: 48

約数和(自身を含む): 51327360

約数和(自身を除く): 30635628

約数列:

[1, 2, 3, 4, 6, 12, 29, 37, 58, 74, 87, 111, 116, 148, 174, 222, 348, 444, 1073, 1607, 2146, 3214, 3219, 4292, 4821, 6428, 6438, 9642, 12876, 19284, 46603, 59459, 93206, 118918, 139809, 178377, 186412, 237836, 279618, 356754, 559236, 713508, 1724311, 3448622, 5172933, 6897244, 10345866, 20691732]

約数ペア:

[(1, 20691732), (2, 10345866), (3, 6897244), (4, 5172933), (6, 3448622), (12, 1724311), (29, 713508), (37, 559236), (58, 356754), (74, 279618), (87, 237836), (111, 186412), (116, 178377), (148, 139809), (174, 118918), (222, 93206), (348, 59459), (444, 46603), (1073, 19284), (1607, 12876), (2146, 9642), (3214, 6438), (3219, 6428), (4292, 4821)]