20138087788

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{210359}}^1$

素因数の和:210646

約数の個数: 48

約数和(自身を含む): 43539471360

約数和(自身を除く): 23401383572

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 263, 364, 526, 1052, 1841, 3419, 3682, 6838, 7364, 13676, 23933, 47866, 95732, 210359, 420718, 841436, 1472513, 2734667, 2945026, 5469334, 5890052, 10938668, 19142669, 38285338, 55324417, 76570676, 110648834, 221297668, 387270919, 719217421, 774541838, 1438434842, 1549083676, 2876869684, 5034521947, 10069043894, 20138087788]

約数ペア:

[(1, 20138087788), (2, 10069043894), (4, 5034521947), (7, 2876869684), (13, 1549083676), (14, 1438434842), (26, 774541838), (28, 719217421), (52, 387270919), (91, 221297668), (182, 110648834), (263, 76570676), (364, 55324417), (526, 38285338), (1052, 19142669), (1841, 10938668), (3419, 5890052), (3682, 5469334), (6838, 2945026), (7364, 2734667), (13676, 1472513), (23933, 841436), (47866, 420718), (95732, 210359)]