20342049

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{277}}^1$

素因数の和:569

約数の個数: 32

約数和(自身を含む): 33626880

約数和(自身を除く): 13284831

約数列:

[1, 3, 7, 13, 21, 39, 91, 269, 273, 277, 807, 831, 1883, 1939, 3497, 3601, 5649, 5817, 10491, 10803, 24479, 25207, 73437, 74513, 75621, 223539, 521591, 968669, 1564773, 2906007, 6780683, 20342049]

約数ペア:

[(1, 20342049), (3, 6780683), (7, 2906007), (13, 1564773), (21, 968669), (39, 521591), (91, 223539), (269, 75621), (273, 74513), (277, 73437), (807, 25207), (831, 24479), (1883, 10803), (1939, 10491), (3497, 5817), (3601, 5649)]