20875554

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{3853}}^1$

素因数の和:3911

約数の個数: 48

約数和(自身を含む): 52907712

約数和(自身を除く): 32032158

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 43, 63, 86, 126, 129, 258, 301, 387, 602, 774, 903, 1806, 2709, 3853, 5418, 7706, 11559, 23118, 26971, 34677, 53942, 69354, 80913, 161826, 165679, 242739, 331358, 485478, 497037, 994074, 1159753, 1491111, 2319506, 2982222, 3479259, 6958518, 10437777, 20875554]

約数ペア:

[(1, 20875554), (2, 10437777), (3, 6958518), (6, 3479259), (7, 2982222), (9, 2319506), (14, 1491111), (18, 1159753), (21, 994074), (42, 497037), (43, 485478), (63, 331358), (86, 242739), (126, 165679), (129, 161826), (258, 80913), (301, 69354), (387, 53942), (602, 34677), (774, 26971), (903, 23118), (1806, 11559), (2709, 7706), (3853, 5418)]