20723374

素因数分解:

$2^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{1777}}^1$

素因数の和:1817

約数の個数: 32

約数和(自身を含む): 38404800

約数和(自身を除く): 17681426

約数列:

[1, 2, 7, 14, 17, 34, 49, 98, 119, 238, 343, 686, 833, 1666, 1777, 3554, 5831, 11662, 12439, 24878, 30209, 60418, 87073, 174146, 211463, 422926, 609511, 1219022, 1480241, 2960482, 10361687, 20723374]

約数ペア:

[(1, 20723374), (2, 10361687), (7, 2960482), (14, 1480241), (17, 1219022), (34, 609511), (49, 422926), (98, 211463), (119, 174146), (238, 87073), (343, 60418), (686, 30209), (833, 24878), (1666, 12439), (1777, 11662), (3554, 5831)]