20789728

素因数分解:

$2^5\times {\mathrm{311}}^1\times {\mathrm{2089}}^1$

素因数の和:2410

約数の個数: 24

約数和(自身を含む): 41081040

約数和(自身を除く): 20291312

約数列:

[1, 2, 4, 8, 16, 32, 311, 622, 1244, 2089, 2488, 4178, 4976, 8356, 9952, 16712, 33424, 66848, 649679, 1299358, 2598716, 5197432, 10394864, 20789728]

約数ペア:

[(1, 20789728), (2, 10394864), (4, 5197432), (8, 2598716), (16, 1299358), (32, 649679), (311, 66848), (622, 33424), (1244, 16712), (2089, 9952), (2488, 8356), (4178, 4976)]