20540716

素因数分解:

$2^2\times 7^1\times {\mathrm{271}}^1\times {\mathrm{2707}}^1$

素因数の和:2989

約数の個数: 24

約数和(自身を含む): 41248256

約数和(自身を除く): 20707540

約数列:

[1, 2, 4, 7, 14, 28, 271, 542, 1084, 1897, 2707, 3794, 5414, 7588, 10828, 18949, 37898, 75796, 733597, 1467194, 2934388, 5135179, 10270358, 20540716]

約数ペア:

[(1, 20540716), (2, 10270358), (4, 5135179), (7, 2934388), (14, 1467194), (28, 733597), (271, 75796), (542, 37898), (1084, 18949), (1897, 10828), (2707, 7588), (3794, 5414)]