20711272

素因数分解:

$2^3\times {\mathrm{79}}^1\times {\mathrm{32771}}^1$

素因数の和:32856

約数の個数: 16

約数和(自身を含む): 39326400

約数和(自身を除く): 18615128

約数列:

[1, 2, 4, 8, 79, 158, 316, 632, 32771, 65542, 131084, 262168, 2588909, 5177818, 10355636, 20711272]

約数ペア:

[(1, 20711272), (2, 10355636), (4, 5177818), (8, 2588909), (79, 262168), (158, 131084), (316, 65542), (632, 32771)]