20664616

素因数分解:

$2^3\times 7^1\times {\mathrm{463}}^1\times {\mathrm{797}}^1$

素因数の和:1273

約数の個数: 32

約数和(自身を含む): 44432640

約数和(自身を除く): 23768024

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 463, 797, 926, 1594, 1852, 3188, 3241, 3704, 5579, 6376, 6482, 11158, 12964, 22316, 25928, 44632, 369011, 738022, 1476044, 2583077, 2952088, 5166154, 10332308, 20664616]

約数ペア:

[(1, 20664616), (2, 10332308), (4, 5166154), (7, 2952088), (8, 2583077), (14, 1476044), (28, 738022), (56, 369011), (463, 44632), (797, 25928), (926, 22316), (1594, 12964), (1852, 11158), (3188, 6482), (3241, 6376), (3704, 5579)]