20982736

素因数分解:

$2^4\times {\mathrm{157}}^1\times {\mathrm{8353}}^1$

素因数の和:8518

約数の個数: 20

約数和(自身を含む): 40917892

約数和(自身を除く): 19935156

約数列:

[1, 2, 4, 8, 16, 157, 314, 628, 1256, 2512, 8353, 16706, 33412, 66824, 133648, 1311421, 2622842, 5245684, 10491368, 20982736]

約数ペア:

[(1, 20982736), (2, 10491368), (4, 5245684), (8, 2622842), (16, 1311421), (157, 133648), (314, 66824), (628, 33412), (1256, 16706), (2512, 8353)]