20707576

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{36457}}^1$

素因数の和:36534

約数の個数: 16

約数和(自身を含む): 39374640

約数和(自身を除く): 18667064

約数列:

[1, 2, 4, 8, 71, 142, 284, 568, 36457, 72914, 145828, 291656, 2588447, 5176894, 10353788, 20707576]

約数ペア:

[(1, 20707576), (2, 10353788), (4, 5176894), (8, 2588447), (71, 291656), (142, 145828), (284, 72914), (568, 36457)]