20778142

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{134923}}^1$

素因数の和:134943

約数の個数: 16

約数和(自身を含む): 38858112

約数和(自身を除く): 18079970

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 134923, 269846, 944461, 1484153, 1888922, 2968306, 10389071, 20778142]

約数ペア:

[(1, 20778142), (2, 10389071), (7, 2968306), (11, 1888922), (14, 1484153), (22, 944461), (77, 269846), (154, 134923)]