20966824

素因数分解:

$2^3\times {\mathrm{1319}}^1\times {\mathrm{1987}}^1$

素因数の和:3312

約数の個数: 16

約数和(自身を含む): 39362400

約数和(自身を除く): 18395576

約数列:

[1, 2, 4, 8, 1319, 1987, 2638, 3974, 5276, 7948, 10552, 15896, 2620853, 5241706, 10483412, 20966824]

約数ペア:

[(1, 20966824), (2, 10483412), (4, 5241706), (8, 2620853), (1319, 15896), (1987, 10552), (2638, 7948), (3974, 5276)]