20788757

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{647}}^1$

素因数の和:808

約数の個数: 16

約数和(自身を含む): 23887872

約数和(自身を除く): 3099115

約数列:

[1, 11, 23, 127, 253, 647, 1397, 2921, 7117, 14881, 32131, 82169, 163691, 903859, 1889887, 20788757]

約数ペア:

[(1, 20788757), (11, 1889887), (23, 903859), (127, 163691), (253, 82169), (647, 32131), (1397, 14881), (2921, 7117)]