20438699

素因数分解:

${\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1$

素因数の和:338

約数の個数: 16

約数和(自身を含む): 22176000

約数和(自身を除く): 1737301

約数列:

[1, 19, 71, 109, 139, 1349, 2071, 2641, 7739, 9869, 15151, 147041, 187511, 287869, 1075721, 20438699]

約数ペア:

[(1, 20438699), (19, 1075721), (71, 287869), (109, 187511), (139, 147041), (1349, 15151), (2071, 9869), (2641, 7739)]