20994380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{95429}}^1$

素因数の和:95449

約数の個数: 24

約数和(自身を含む): 48096720

約数和(自身を除く): 27102340

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 95429, 190858, 381716, 477145, 954290, 1049719, 1908580, 2099438, 4198876, 5248595, 10497190, 20994380]

約数ペア:

[(1, 20994380), (2, 10497190), (4, 5248595), (5, 4198876), (10, 2099438), (11, 1908580), (20, 1049719), (22, 954290), (44, 477145), (55, 381716), (110, 190858), (220, 95429)]