20999024

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{24763}}^1$

素因数の和:24824

約数の個数: 20

約数和(自身を含む): 41454936

約数和(自身を除く): 20455912

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 848, 24763, 49526, 99052, 198104, 396208, 1312439, 2624878, 5249756, 10499512, 20999024]

約数ペア:

[(1, 20999024), (2, 10499512), (4, 5249756), (8, 2624878), (16, 1312439), (53, 396208), (106, 198104), (212, 99052), (424, 49526), (848, 24763)]