20460978

素因数分解:

$2^1\times 3^3\times {\mathrm{149}}^1\times {\mathrm{2543}}^1$

素因数の和:2703

約数の個数: 32

約数和(自身を含む): 45792000

約数和(自身を除く): 25331022

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 149, 298, 447, 894, 1341, 2543, 2682, 4023, 5086, 7629, 8046, 15258, 22887, 45774, 68661, 137322, 378907, 757814, 1136721, 2273442, 3410163, 6820326, 10230489, 20460978]

約数ペア:

[(1, 20460978), (2, 10230489), (3, 6820326), (6, 3410163), (9, 2273442), (18, 1136721), (27, 757814), (54, 378907), (149, 137322), (298, 68661), (447, 45774), (894, 22887), (1341, 15258), (2543, 8046), (2682, 7629), (4023, 5086)]