20805292

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{1657}}^1$

素因数の和:1777

約数の個数: 24

約数和(自身を含む): 37789136

約数和(自身を除く): 16983844

約数列:

[1, 2, 4, 43, 73, 86, 146, 172, 292, 1657, 3139, 3314, 6278, 6628, 12556, 71251, 120961, 142502, 241922, 285004, 483844, 5201323, 10402646, 20805292]

約数ペア:

[(1, 20805292), (2, 10402646), (4, 5201323), (43, 483844), (73, 285004), (86, 241922), (146, 142502), (172, 120961), (292, 71251), (1657, 12556), (3139, 6628), (3314, 6278)]