20817596212

素因数分解:

$2^2\times 7^1\times {\mathrm{421}}^1\times {\mathrm{1765999}}^1$

素因数の和:1766431

約数の個数: 24

約数和(自身を含む): 41734112000

約数和(自身を除く): 20916515788

約数列:

[1, 2, 4, 7, 14, 28, 421, 842, 1684, 2947, 5894, 11788, 1765999, 3531998, 7063996, 12361993, 24723986, 49447972, 743485579, 1486971158, 2973942316, 5204399053, 10408798106, 20817596212]

約数ペア:

[(1, 20817596212), (2, 10408798106), (4, 5204399053), (7, 2973942316), (14, 1486971158), (28, 743485579), (421, 49447972), (842, 24723986), (1684, 12361993), (2947, 7063996), (5894, 3531998), (11788, 1765999)]