20451976

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{36007}}^1$

素因数の和:36084

約数の個数: 16

約数和(自身を含む): 38888640

約数和(自身を除く): 18436664

約数列:

[1, 2, 4, 8, 71, 142, 284, 568, 36007, 72014, 144028, 288056, 2556497, 5112994, 10225988, 20451976]

約数ペア:

[(1, 20451976), (2, 10225988), (4, 5112994), (8, 2556497), (71, 288056), (142, 144028), (284, 72014), (568, 36007)]