20690639

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{419}}^1$

素因数の和:574

約数の個数: 16

約数和(自身を含む): 22982400

約数和(自身を除く): 2291761

約数列:

[1, 19, 23, 113, 419, 437, 2147, 2599, 7961, 9637, 47347, 49381, 183103, 899593, 1088981, 20690639]

約数ペア:

[(1, 20690639), (19, 1088981), (23, 899593), (113, 183103), (419, 49381), (437, 47347), (2147, 9637), (2599, 7961)]