20060360

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1$

素因数の和:270

約数の個数: 64

約数和(自身を含む): 47044800

約数和(自身を除く): 26984440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 107, 109, 172, 214, 215, 218, 344, 428, 430, 436, 535, 545, 856, 860, 872, 1070, 1090, 1720, 2140, 2180, 4280, 4360, 4601, 4687, 9202, 9374, 11663, 18404, 18748, 23005, 23326, 23435, 36808, 37496, 46010, 46652, 46870, 58315, 92020, 93304, 93740, 116630, 184040, 187480, 233260, 466520, 501509, 1003018, 2006036, 2507545, 4012072, 5015090, 10030180, 20060360]

約数ペア:

[(1, 20060360), (2, 10030180), (4, 5015090), (5, 4012072), (8, 2507545), (10, 2006036), (20, 1003018), (40, 501509), (43, 466520), (86, 233260), (107, 187480), (109, 184040), (172, 116630), (214, 93740), (215, 93304), (218, 92020), (344, 58315), (428, 46870), (430, 46652), (436, 46010), (535, 37496), (545, 36808), (856, 23435), (860, 23326), (872, 23005), (1070, 18748), (1090, 18404), (1720, 11663), (2140, 9374), (2180, 9202), (4280, 4687), (4360, 4601)]