20872408

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{113437}}^1$

素因数の和:113466

約数の個数: 16

約数和(自身を含む): 40837680

約数和(自身を除く): 19965272

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 113437, 226874, 453748, 907496, 2609051, 5218102, 10436204, 20872408]

約数ペア:

[(1, 20872408), (2, 10436204), (4, 5218102), (8, 2609051), (23, 907496), (46, 453748), (92, 226874), (184, 113437)]