20087123

素因数分解:

$7^1\times {\mathrm{19}}^2\times {\mathrm{7949}}^1$

素因数の和:7994

約数の個数: 12

約数和(自身を含む): 24231600

約数和(自身を除く): 4144477

約数列:

[1, 7, 19, 133, 361, 2527, 7949, 55643, 151031, 1057217, 2869589, 20087123]

約数ペア:

[(1, 20087123), (7, 2869589), (19, 1057217), (133, 151031), (361, 55643), (2527, 7949)]