20127212

素因数分解:

$2^2\times 7^1\times {\mathrm{257}}^1\times {\mathrm{2797}}^1$

素因数の和:3065

約数の個数: 24

約数和(自身を含む): 40425504

約数和(自身を除く): 20298292

約数列:

[1, 2, 4, 7, 14, 28, 257, 514, 1028, 1799, 2797, 3598, 5594, 7196, 11188, 19579, 39158, 78316, 718829, 1437658, 2875316, 5031803, 10063606, 20127212]

約数ペア:

[(1, 20127212), (2, 10063606), (4, 5031803), (7, 2875316), (14, 1437658), (28, 718829), (257, 78316), (514, 39158), (1028, 19579), (1799, 11188), (2797, 7196), (3598, 5594)]