20435504

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{17989}}^1$

素因数の和:18068

約数の個数: 20

約数和(自身を含む): 40153680

約数和(自身を除く): 19718176

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 17989, 35978, 71956, 143912, 287824, 1277219, 2554438, 5108876, 10217752, 20435504]

約数ペア:

[(1, 20435504), (2, 10217752), (4, 5108876), (8, 2554438), (16, 1277219), (71, 287824), (142, 143912), (284, 71956), (568, 35978), (1136, 17989)]