20749333

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{61}}^1\times {\mathrm{107}}^1$

素因数の和:213

約数の個数: 24

約数和(自身を含む): 24668064

約数和(自身を除く): 3918731

約数列:

[1, 11, 17, 61, 107, 187, 289, 671, 1037, 1177, 1819, 3179, 6527, 11407, 17629, 20009, 30923, 71797, 110959, 193919, 340153, 1220549, 1886303, 20749333]

約数ペア:

[(1, 20749333), (11, 1886303), (17, 1220549), (61, 340153), (107, 193919), (187, 110959), (289, 71797), (671, 30923), (1037, 20009), (1177, 17629), (1819, 11407), (3179, 6527)]