20839692

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{40387}}^1$

素因数の和:40437

約数の個数: 24

約数和(自身を含む): 49758016

約数和(自身を除く): 28918324

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516, 40387, 80774, 121161, 161548, 242322, 484644, 1736641, 3473282, 5209923, 6946564, 10419846, 20839692]

約数ペア:

[(1, 20839692), (2, 10419846), (3, 6946564), (4, 5209923), (6, 3473282), (12, 1736641), (43, 484644), (86, 242322), (129, 161548), (172, 121161), (258, 80774), (516, 40387)]