20777694

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{157}}^1$

素因数の和:329

約数の個数: 64

約数和(自身を含む): 50236416

約数和(自身を除く): 29458722

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 42, 46, 69, 137, 138, 157, 161, 274, 314, 322, 411, 471, 483, 822, 942, 959, 966, 1099, 1918, 2198, 2877, 3151, 3297, 3611, 5754, 6302, 6594, 7222, 9453, 10833, 18906, 21509, 21666, 22057, 25277, 43018, 44114, 50554, 64527, 66171, 75831, 129054, 132342, 150563, 151662, 301126, 451689, 494707, 903378, 989414, 1484121, 2968242, 3462949, 6925898, 10388847, 20777694]

約数ペア:

[(1, 20777694), (2, 10388847), (3, 6925898), (6, 3462949), (7, 2968242), (14, 1484121), (21, 989414), (23, 903378), (42, 494707), (46, 451689), (69, 301126), (137, 151662), (138, 150563), (157, 132342), (161, 129054), (274, 75831), (314, 66171), (322, 64527), (411, 50554), (471, 44114), (483, 43018), (822, 25277), (942, 22057), (959, 21666), (966, 21509), (1099, 18906), (1918, 10833), (2198, 9453), (2877, 7222), (3151, 6594), (3297, 6302), (3611, 5754)]