20888959805

素因数分解:

$5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{1303}}^1\times {\mathrm{4447}}^1$

素因数の和:5865

約数の個数: 32

約数和(自身を含む): 28954558464

約数和(自身を除く): 8065598659

約数列:

[1, 5, 7, 35, 103, 515, 721, 1303, 3605, 4447, 6515, 9121, 22235, 31129, 45605, 134209, 155645, 458041, 671045, 939463, 2290205, 3206287, 4697315, 5794441, 16031435, 28972205, 40561087, 202805435, 596827423, 2984137115, 4177791961, 20888959805]

約数ペア:

[(1, 20888959805), (5, 4177791961), (7, 2984137115), (35, 596827423), (103, 202805435), (515, 40561087), (721, 28972205), (1303, 16031435), (3605, 5794441), (4447, 4697315), (6515, 3206287), (9121, 2290205), (22235, 939463), (31129, 671045), (45605, 458041), (134209, 155645)]