20962868

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{1019}}^1$

素因数の和:1199

約数の個数: 24

約数和(自身を含む): 37984800

約数和(自身を除く): 17021932

約数列:

[1, 2, 4, 37, 74, 139, 148, 278, 556, 1019, 2038, 4076, 5143, 10286, 20572, 37703, 75406, 141641, 150812, 283282, 566564, 5240717, 10481434, 20962868]

約数ペア:

[(1, 20962868), (2, 10481434), (4, 5240717), (37, 566564), (74, 283282), (139, 150812), (148, 141641), (278, 75406), (556, 37703), (1019, 20572), (2038, 10286), (4076, 5143)]