20638368

素因数分解:

$2^5\times 3^3\times {\mathrm{23887}}^1$

素因数の和:23906

約数の個数: 48

約数和(自身を含む): 60197760

約数和(自身を除く): 39559392

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 72, 96, 108, 144, 216, 288, 432, 864, 23887, 47774, 71661, 95548, 143322, 191096, 214983, 286644, 382192, 429966, 573288, 644949, 764384, 859932, 1146576, 1289898, 1719864, 2293152, 2579796, 3439728, 5159592, 6879456, 10319184, 20638368]

約数ペア:

[(1, 20638368), (2, 10319184), (3, 6879456), (4, 5159592), (6, 3439728), (8, 2579796), (9, 2293152), (12, 1719864), (16, 1289898), (18, 1146576), (24, 859932), (27, 764384), (32, 644949), (36, 573288), (48, 429966), (54, 382192), (72, 286644), (96, 214983), (108, 191096), (144, 143322), (216, 95548), (288, 71661), (432, 47774), (864, 23887)]