20680892

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{6637}}^1$

素因数の和:6701

約数の個数: 24

約数和(自身を含む): 39031440

約数和(自身を除く): 18350548

約数列:

[1, 2, 4, 19, 38, 41, 76, 82, 164, 779, 1558, 3116, 6637, 13274, 26548, 126103, 252206, 272117, 504412, 544234, 1088468, 5170223, 10340446, 20680892]

約数ペア:

[(1, 20680892), (2, 10340446), (4, 5170223), (19, 1088468), (38, 544234), (41, 504412), (76, 272117), (82, 252206), (164, 126103), (779, 26548), (1558, 13274), (3116, 6637)]