20042953

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{643}}^1$

素因数の和:784

約数の個数: 16

約数和(自身を含む): 23637376

約数和(自身を除く): 3594423

約数列:

[1, 7, 61, 73, 427, 511, 643, 4453, 4501, 31171, 39223, 46939, 274561, 328573, 2863279, 20042953]

約数ペア:

[(1, 20042953), (7, 2863279), (61, 328573), (73, 274561), (427, 46939), (511, 39223), (643, 31171), (4453, 4501)]