20589784

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{317}}^1\times {\mathrm{353}}^1$

素因数の和:699

約数の個数: 32

約数和(自身を含む): 40525920

約数和(自身を除く): 19936136

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 317, 353, 634, 706, 1268, 1412, 2536, 2824, 7291, 8119, 14582, 16238, 29164, 32476, 58328, 64952, 111901, 223802, 447604, 895208, 2573723, 5147446, 10294892, 20589784]

約数ペア:

[(1, 20589784), (2, 10294892), (4, 5147446), (8, 2573723), (23, 895208), (46, 447604), (92, 223802), (184, 111901), (317, 64952), (353, 58328), (634, 32476), (706, 29164), (1268, 16238), (1412, 14582), (2536, 8119), (2824, 7291)]