20805323

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{14221}}^1$

素因数の和:14258

約数の個数: 16

約数和(自身を含む): 27306240

約数和(自身を除く): 6500917

約数列:

[1, 7, 11, 19, 77, 133, 209, 1463, 14221, 99547, 156431, 270199, 1095017, 1891393, 2972189, 20805323]

約数ペア:

[(1, 20805323), (7, 2972189), (11, 1891393), (19, 1095017), (77, 270199), (133, 156431), (209, 99547), (1463, 14221)]