20351384

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{883}}^1$

素因数の和:999

約数の個数: 32

約数和(自身を含む): 39673920

約数和(自身を除く): 19322536

約数列:

[1, 2, 4, 8, 43, 67, 86, 134, 172, 268, 344, 536, 883, 1766, 2881, 3532, 5762, 7064, 11524, 23048, 37969, 59161, 75938, 118322, 151876, 236644, 303752, 473288, 2543923, 5087846, 10175692, 20351384]

約数ペア:

[(1, 20351384), (2, 10175692), (4, 5087846), (8, 2543923), (43, 473288), (67, 303752), (86, 236644), (134, 151876), (172, 118322), (268, 75938), (344, 59161), (536, 37969), (883, 23048), (1766, 11524), (2881, 7064), (3532, 5762)]