20294590

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{49499}}^1$

素因数の和:49547

約数の個数: 16

約数和(自身を含む): 37422000

約数和(自身を除く): 17127410

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 49499, 98998, 247495, 494990, 2029459, 4058918, 10147295, 20294590]

約数ペア:

[(1, 20294590), (2, 10147295), (5, 4058918), (10, 2029459), (41, 494990), (82, 247495), (205, 98998), (410, 49499)]