20903248

素因数分解:

$2^4\times {\mathrm{353}}^1\times {\mathrm{3701}}^1$

素因数の和:4062

約数の個数: 20

約数和(自身を含む): 40625748

約数和(自身を除く): 19722500

約数列:

[1, 2, 4, 8, 16, 353, 706, 1412, 2824, 3701, 5648, 7402, 14804, 29608, 59216, 1306453, 2612906, 5225812, 10451624, 20903248]

約数ペア:

[(1, 20903248), (2, 10451624), (4, 5225812), (8, 2612906), (16, 1306453), (353, 59216), (706, 29608), (1412, 14804), (2824, 7402), (3701, 5648)]