20485424

素因数分解:

$2^4\times {\mathrm{229}}^1\times {\mathrm{5591}}^1$

素因数の和:5828

約数の個数: 20

約数和(自身を含む): 39870960

約数和(自身を除く): 19385536

約数列:

[1, 2, 4, 8, 16, 229, 458, 916, 1832, 3664, 5591, 11182, 22364, 44728, 89456, 1280339, 2560678, 5121356, 10242712, 20485424]

約数ペア:

[(1, 20485424), (2, 10242712), (4, 5121356), (8, 2560678), (16, 1280339), (229, 89456), (458, 44728), (916, 22364), (1832, 11182), (3664, 5591)]