20646374

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{20771}}^1$

素因数の和:20851

約数の個数: 16

約数和(自身を含む): 35894016

約数和(自身を除く): 15247642

約数列:

[1, 2, 7, 14, 71, 142, 497, 994, 20771, 41542, 145397, 290794, 1474741, 2949482, 10323187, 20646374]

約数ペア:

[(1, 20646374), (2, 10323187), (7, 2949482), (14, 1474741), (71, 290794), (142, 145397), (497, 41542), (994, 20771)]