20199552905

素因数分解:

$5^1\times 7^1\times {\mathrm{601}}^1\times {\mathrm{809}}^1\times {\mathrm{1187}}^1$

素因数の和:2609

約数の個数: 32

約数和(自身を含む): 27806042880

約数和(自身を除く): 7606489975

約数列:

[1, 5, 7, 35, 601, 809, 1187, 3005, 4045, 4207, 5663, 5935, 8309, 21035, 28315, 41545, 486209, 713387, 960283, 2431045, 3403463, 3566935, 4801415, 4993709, 6721981, 17017315, 24968545, 33609905, 577130083, 2885650415, 4039910581, 20199552905]

約数ペア:

[(1, 20199552905), (5, 4039910581), (7, 2885650415), (35, 577130083), (601, 33609905), (809, 24968545), (1187, 17017315), (3005, 6721981), (4045, 4993709), (4207, 4801415), (5663, 3566935), (5935, 3403463), (8309, 2431045), (21035, 960283), (28315, 713387), (41545, 486209)]