20405656

素因数分解:

$2^3\times {\mathrm{1381}}^1\times {\mathrm{1847}}^1$

素因数の和:3234

約数の個数: 16

約数和(自身を含む): 38309040

約数和(自身を除く): 17903384

約数列:

[1, 2, 4, 8, 1381, 1847, 2762, 3694, 5524, 7388, 11048, 14776, 2550707, 5101414, 10202828, 20405656]

約数ペア:

[(1, 20405656), (2, 10202828), (4, 5101414), (8, 2550707), (1381, 14776), (1847, 11048), (2762, 7388), (3694, 5524)]