20348307

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1$

素因数の和:221

約数の個数: 64

約数和(自身を含む): 37355520

約数和(自身を除く): 17007213

約数列:

[1, 3, 7, 9, 21, 23, 27, 31, 63, 69, 93, 151, 161, 189, 207, 217, 279, 453, 483, 621, 651, 713, 837, 1057, 1359, 1449, 1953, 2139, 3171, 3473, 4077, 4347, 4681, 4991, 5859, 6417, 9513, 10419, 14043, 14973, 19251, 24311, 28539, 31257, 32767, 42129, 44919, 72933, 93771, 98301, 107663, 126387, 134757, 218799, 294903, 322989, 656397, 753641, 884709, 968967, 2260923, 2906901, 6782769, 20348307]

約数ペア:

[(1, 20348307), (3, 6782769), (7, 2906901), (9, 2260923), (21, 968967), (23, 884709), (27, 753641), (31, 656397), (63, 322989), (69, 294903), (93, 218799), (151, 134757), (161, 126387), (189, 107663), (207, 98301), (217, 93771), (279, 72933), (453, 44919), (483, 42129), (621, 32767), (651, 31257), (713, 28539), (837, 24311), (1057, 19251), (1359, 14973), (1449, 14043), (1953, 10419), (2139, 9513), (3171, 6417), (3473, 5859), (4077, 4991), (4347, 4681)]