20864080456

素因数分解:

$2^3\times {\mathrm{8287}}^1\times {\mathrm{314711}}^1$

素因数の和:323004

約数の個数: 16

約数和(自身を含む): 39124995840

約数和(自身を除く): 18260915384

約数列:

[1, 2, 4, 8, 8287, 16574, 33148, 66296, 314711, 629422, 1258844, 2517688, 2608010057, 5216020114, 10432040228, 20864080456]

約数ペア:

[(1, 20864080456), (2, 10432040228), (4, 5216020114), (8, 2608010057), (8287, 2517688), (16574, 1258844), (33148, 629422), (66296, 314711)]