20992496

素因数分解:

$2^4\times 7^1\times {\mathrm{187433}}^1$

素因数の和:187448

約数の個数: 20

約数和(自身を含む): 46483632

約数和(自身を除く): 25491136

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 187433, 374866, 749732, 1312031, 1499464, 2624062, 2998928, 5248124, 10496248, 20992496]

約数ペア:

[(1, 20992496), (2, 10496248), (4, 5248124), (7, 2998928), (8, 2624062), (14, 1499464), (16, 1312031), (28, 749732), (56, 374866), (112, 187433)]