20558794

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{409}}^1\times {\mathrm{613}}^1$

素因数の和:1065

約数の個数: 16

約数和(自身を含む): 31719240

約数和(自身を除く): 11160446

約数列:

[1, 2, 41, 82, 409, 613, 818, 1226, 16769, 25133, 33538, 50266, 250717, 501434, 10279397, 20558794]

約数ペア:

[(1, 20558794), (2, 10279397), (41, 501434), (82, 250717), (409, 50266), (613, 33538), (818, 25133), (1226, 16769)]