20677328

素因数分解:

$2^4\times 7^1\times {\mathrm{353}}^1\times {\mathrm{523}}^1$

素因数の和:891

約数の個数: 40

約数和(自身を含む): 46003008

約数和(自身を除く): 25325680

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 353, 523, 706, 1046, 1412, 2092, 2471, 2824, 3661, 4184, 4942, 5648, 7322, 8368, 9884, 14644, 19768, 29288, 39536, 58576, 184619, 369238, 738476, 1292333, 1476952, 2584666, 2953904, 5169332, 10338664, 20677328]

約数ペア:

[(1, 20677328), (2, 10338664), (4, 5169332), (7, 2953904), (8, 2584666), (14, 1476952), (16, 1292333), (28, 738476), (56, 369238), (112, 184619), (353, 58576), (523, 39536), (706, 29288), (1046, 19768), (1412, 14644), (2092, 9884), (2471, 8368), (2824, 7322), (3661, 5648), (4184, 4942)]