20646392

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{15271}}^1$

素因数の和:15303

約数の個数: 24

約数和(自身を含む): 41921640

約数和(自身を除く): 21275248

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 338, 676, 1352, 15271, 30542, 61084, 122168, 198523, 397046, 794092, 1588184, 2580799, 5161598, 10323196, 20646392]

約数ペア:

[(1, 20646392), (2, 10323196), (4, 5161598), (8, 2580799), (13, 1588184), (26, 794092), (52, 397046), (104, 198523), (169, 122168), (338, 61084), (676, 30542), (1352, 15271)]