20173855868

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{389}}^1\times {\mathrm{762659}}^1$

素因数の和:763069

約数の個数: 24

約数和(自身を含む): 37477112400

約数和(自身を除く): 17303256532

約数列:

[1, 2, 4, 17, 34, 68, 389, 778, 1556, 6613, 13226, 26452, 762659, 1525318, 3050636, 12965203, 25930406, 51860812, 296674351, 593348702, 1186697404, 5043463967, 10086927934, 20173855868]

約数ペア:

[(1, 20173855868), (2, 10086927934), (4, 5043463967), (17, 1186697404), (34, 593348702), (68, 296674351), (389, 51860812), (778, 25930406), (1556, 12965203), (6613, 3050636), (13226, 1525318), (26452, 762659)]