20759067

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1$

素因数の和:232

約数の個数: 48

約数和(自身を含む): 35875840

約数和(自身を除く): 15116773

約数列:

[1, 3, 7, 9, 21, 43, 63, 79, 97, 129, 237, 291, 301, 387, 553, 679, 711, 873, 903, 1659, 2037, 2709, 3397, 4171, 4977, 6111, 7663, 10191, 12513, 22989, 23779, 29197, 30573, 37539, 53641, 68967, 71337, 87591, 160923, 214011, 262773, 329509, 482769, 988527, 2306563, 2965581, 6919689, 20759067]

約数ペア:

[(1, 20759067), (3, 6919689), (7, 2965581), (9, 2306563), (21, 988527), (43, 482769), (63, 329509), (79, 262773), (97, 214011), (129, 160923), (237, 87591), (291, 71337), (301, 68967), (387, 53641), (553, 37539), (679, 30573), (711, 29197), (873, 23779), (903, 22989), (1659, 12513), (2037, 10191), (2709, 7663), (3397, 6111), (4171, 4977)]