20900894

素因数分解:

$2^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{17987}}^1$

素因数の和:18079

約数の個数: 16

約数和(自身を含む): 36263808

約数和(自身を除く): 15362914

約数列:

[1, 2, 7, 14, 83, 166, 581, 1162, 17987, 35974, 125909, 251818, 1492921, 2985842, 10450447, 20900894]

約数ペア:

[(1, 20900894), (2, 10450447), (7, 2985842), (14, 1492921), (83, 251818), (166, 125909), (581, 35974), (1162, 17987)]