20397752

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{233}}^1\times {\mathrm{353}}^1$

素因数の和:623

約数の個数: 32

約数和(自身を含む): 39761280

約数和(自身を除く): 19363528

約数列:

[1, 2, 4, 8, 31, 62, 124, 233, 248, 353, 466, 706, 932, 1412, 1864, 2824, 7223, 10943, 14446, 21886, 28892, 43772, 57784, 82249, 87544, 164498, 328996, 657992, 2549719, 5099438, 10198876, 20397752]

約数ペア:

[(1, 20397752), (2, 10198876), (4, 5099438), (8, 2549719), (31, 657992), (62, 328996), (124, 164498), (233, 87544), (248, 82249), (353, 57784), (466, 43772), (706, 28892), (932, 21886), (1412, 14446), (1864, 10943), (2824, 7223)]