20745244

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{1789}}^1$

素因数の和:2029

約数の個数: 24

約数和(自身を含む): 39294080

約数和(自身を除く): 18548836

約数列:

[1, 2, 4, 13, 26, 52, 223, 446, 892, 1789, 2899, 3578, 5798, 7156, 11596, 23257, 46514, 93028, 398947, 797894, 1595788, 5186311, 10372622, 20745244]

約数ペア:

[(1, 20745244), (2, 10372622), (4, 5186311), (13, 1595788), (26, 797894), (52, 398947), (223, 93028), (446, 46514), (892, 23257), (1789, 11596), (2899, 7156), (3578, 5798)]