20039768

素因数分解:

$2^3\times 7^1\times {\mathrm{449}}^1\times {\mathrm{797}}^1$

素因数の和:1259

約数の個数: 32

約数和(自身を含む): 43092000

約数和(自身を除く): 23052232

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 449, 797, 898, 1594, 1796, 3143, 3188, 3592, 5579, 6286, 6376, 11158, 12572, 22316, 25144, 44632, 357853, 715706, 1431412, 2504971, 2862824, 5009942, 10019884, 20039768]

約数ペア:

[(1, 20039768), (2, 10019884), (4, 5009942), (7, 2862824), (8, 2504971), (14, 1431412), (28, 715706), (56, 357853), (449, 44632), (797, 25144), (898, 22316), (1594, 12572), (1796, 11158), (3143, 6376), (3188, 6286), (3592, 5579)]