20088080

素因数分解:

$2^4\times 5^1\times {\mathrm{293}}^1\times {\mathrm{857}}^1$

素因数の和:1163

約数の個数: 40

約数和(自身を含む): 46918872

約数和(自身を除く): 26830792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 293, 586, 857, 1172, 1465, 1714, 2344, 2930, 3428, 4285, 4688, 5860, 6856, 8570, 11720, 13712, 17140, 23440, 34280, 68560, 251101, 502202, 1004404, 1255505, 2008808, 2511010, 4017616, 5022020, 10044040, 20088080]

約数ペア:

[(1, 20088080), (2, 10044040), (4, 5022020), (5, 4017616), (8, 2511010), (10, 2008808), (16, 1255505), (20, 1004404), (40, 502202), (80, 251101), (293, 68560), (586, 34280), (857, 23440), (1172, 17140), (1465, 13712), (1714, 11720), (2344, 8570), (2930, 6856), (3428, 5860), (4285, 4688)]