20994470

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{2803}}^1$

素因数の和:2924

約数の個数: 32

約数和(自身を含む): 43607808

約数和(自身を除く): 22613338

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 107, 214, 535, 749, 1070, 1498, 2803, 3745, 5606, 7490, 14015, 19621, 28030, 39242, 98105, 196210, 299921, 599842, 1499605, 2099447, 2999210, 4198894, 10497235, 20994470]

約数ペア:

[(1, 20994470), (2, 10497235), (5, 4198894), (7, 2999210), (10, 2099447), (14, 1499605), (35, 599842), (70, 299921), (107, 196210), (214, 98105), (535, 39242), (749, 28030), (1070, 19621), (1498, 14015), (2803, 7490), (3745, 5606)]