20887772

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{7829}}^1$

素因数の和:7885

約数の個数: 24

約数和(自身を含む): 39463200

約数和(自身を除く): 18575428

約数列:

[1, 2, 4, 23, 29, 46, 58, 92, 116, 667, 1334, 2668, 7829, 15658, 31316, 180067, 227041, 360134, 454082, 720268, 908164, 5221943, 10443886, 20887772]

約数ペア:

[(1, 20887772), (2, 10443886), (4, 5221943), (23, 908164), (29, 720268), (46, 454082), (58, 360134), (92, 227041), (116, 180067), (667, 31316), (1334, 15658), (2668, 7829)]