20999442

素因数分解:

$2^1\times 3^1\times {\mathrm{419}}^1\times {\mathrm{8353}}^1$

素因数の和:8777

約数の個数: 16

約数和(自身を含む): 42104160

約数和(自身を除く): 21104718

約数列:

[1, 2, 3, 6, 419, 838, 1257, 2514, 8353, 16706, 25059, 50118, 3499907, 6999814, 10499721, 20999442]

約数ペア:

[(1, 20999442), (2, 10499721), (3, 6999814), (6, 3499907), (419, 50118), (838, 25059), (1257, 16706), (2514, 8353)]