20795474

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{20921}}^1$

素因数の和:21001

約数の個数: 16

約数和(自身を含む): 36153216

約数和(自身を除く): 15357742

約数列:

[1, 2, 7, 14, 71, 142, 497, 994, 20921, 41842, 146447, 292894, 1485391, 2970782, 10397737, 20795474]

約数ペア:

[(1, 20795474), (2, 10397737), (7, 2970782), (14, 1485391), (71, 292894), (142, 146447), (497, 41842), (994, 20921)]