20127668

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{19889}}^1$

素因数の和:19927

約数の個数: 24

約数和(自身を含む): 40098240

約数和(自身を除く): 19970572

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 92, 253, 506, 1012, 19889, 39778, 79556, 218779, 437558, 457447, 875116, 914894, 1829788, 5031917, 10063834, 20127668]

約数ペア:

[(1, 20127668), (2, 10063834), (4, 5031917), (11, 1829788), (22, 914894), (23, 875116), (44, 457447), (46, 437558), (92, 218779), (253, 79556), (506, 39778), (1012, 19889)]