20880451676

素因数分解:

$2^2\times 7^1\times {\mathrm{311}}^1\times {\mathrm{2397847}}^1$

素因数の和:2398169

約数の個数: 24

約数和(自身を含む): 41895200256

約数和(自身を除く): 21014748580

約数列:

[1, 2, 4, 7, 14, 28, 311, 622, 1244, 2177, 4354, 8708, 2397847, 4795694, 9591388, 16784929, 33569858, 67139716, 745730417, 1491460834, 2982921668, 5220112919, 10440225838, 20880451676]

約数ペア:

[(1, 20880451676), (2, 10440225838), (4, 5220112919), (7, 2982921668), (14, 1491460834), (28, 745730417), (311, 67139716), (622, 33569858), (1244, 16784929), (2177, 9591388), (4354, 4795694), (8708, 2397847)]