20711624

素因数分解:

$2^3\times {\mathrm{131}}^1\times {\mathrm{19763}}^1$

素因数の和:19900

約数の個数: 16

約数和(自身を含む): 39132720

約数和(自身を除く): 18421096

約数列:

[1, 2, 4, 8, 131, 262, 524, 1048, 19763, 39526, 79052, 158104, 2588953, 5177906, 10355812, 20711624]

約数ペア:

[(1, 20711624), (2, 10355812), (4, 5177906), (8, 2588953), (131, 158104), (262, 79052), (524, 39526), (1048, 19763)]