20541628

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{2903}}^1$

素因数の和:2997

約数の個数: 24

約数和(自身を含む): 37810080

約数和(自身を除く): 17268452

約数列:

[1, 2, 4, 29, 58, 61, 116, 122, 244, 1769, 2903, 3538, 5806, 7076, 11612, 84187, 168374, 177083, 336748, 354166, 708332, 5135407, 10270814, 20541628]

約数ペア:

[(1, 20541628), (2, 10270814), (4, 5135407), (29, 708332), (58, 354166), (61, 336748), (116, 177083), (122, 168374), (244, 84187), (1769, 11612), (2903, 7076), (3538, 5806)]