20638576

素因数分解:

$2^4\times 7^1\times {\mathrm{184273}}^1$

素因数の和:184288

約数の個数: 20

約数和(自身を含む): 45699952

約数和(自身を除く): 25061376

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 184273, 368546, 737092, 1289911, 1474184, 2579822, 2948368, 5159644, 10319288, 20638576]

約数ペア:

[(1, 20638576), (2, 10319288), (4, 5159644), (7, 2948368), (8, 2579822), (14, 1474184), (16, 1289911), (28, 737092), (56, 368546), (112, 184273)]