20480216

素因数分解:

$2^3\times {\mathrm{313}}^1\times {\mathrm{8179}}^1$

素因数の和:8498

約数の個数: 16

約数和(自身を含む): 38527800

約数和(自身を除く): 18047584

約数列:

[1, 2, 4, 8, 313, 626, 1252, 2504, 8179, 16358, 32716, 65432, 2560027, 5120054, 10240108, 20480216]

約数ペア:

[(1, 20480216), (2, 10240108), (4, 5120054), (8, 2560027), (313, 65432), (626, 32716), (1252, 16358), (2504, 8179)]