20335689

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{281}}^1$

素因数の和:358

約数の個数: 48

約数和(自身を含む): 34841664

約数和(自身を除く): 14505975

約数列:

[1, 3, 9, 11, 17, 33, 43, 51, 99, 129, 153, 187, 281, 387, 473, 561, 731, 843, 1419, 1683, 2193, 2529, 3091, 4257, 4777, 6579, 8041, 9273, 12083, 14331, 24123, 27819, 36249, 42993, 52547, 72369, 108747, 132913, 157641, 205411, 398739, 472923, 616233, 1196217, 1848699, 2259521, 6778563, 20335689]

約数ペア:

[(1, 20335689), (3, 6778563), (9, 2259521), (11, 1848699), (17, 1196217), (33, 616233), (43, 472923), (51, 398739), (99, 205411), (129, 157641), (153, 132913), (187, 108747), (281, 72369), (387, 52547), (473, 42993), (561, 36249), (731, 27819), (843, 24123), (1419, 14331), (1683, 12083), (2193, 9273), (2529, 8041), (3091, 6579), (4257, 4777)]