20477718

素因数分解:

$2^1\times 3^3\times {\mathrm{43}}^1\times {\mathrm{8819}}^1$

素因数の和:8873

約数の個数: 32

約数和(自身を含む): 46569600

約数和(自身を除く): 26091882

約数列:

[1, 2, 3, 6, 9, 18, 27, 43, 54, 86, 129, 258, 387, 774, 1161, 2322, 8819, 17638, 26457, 52914, 79371, 158742, 238113, 379217, 476226, 758434, 1137651, 2275302, 3412953, 6825906, 10238859, 20477718]

約数ペア:

[(1, 20477718), (2, 10238859), (3, 6825906), (6, 3412953), (9, 2275302), (18, 1137651), (27, 758434), (43, 476226), (54, 379217), (86, 238113), (129, 158742), (258, 79371), (387, 52914), (774, 26457), (1161, 17638), (2322, 8819)]