20012852

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{107}}^2$

素因数の和:260

約数の個数: 36

約数和(自身を含む): 38831520

約数和(自身を除く): 18818668

約数列:

[1, 2, 4, 19, 23, 38, 46, 76, 92, 107, 214, 428, 437, 874, 1748, 2033, 2461, 4066, 4922, 8132, 9844, 11449, 22898, 45796, 46759, 93518, 187036, 217531, 263327, 435062, 526654, 870124, 1053308, 5003213, 10006426, 20012852]

約数ペア:

[(1, 20012852), (2, 10006426), (4, 5003213), (19, 1053308), (23, 870124), (38, 526654), (46, 435062), (76, 263327), (92, 217531), (107, 187036), (214, 93518), (428, 46759), (437, 45796), (874, 22898), (1748, 11449), (2033, 9844), (2461, 8132), (4066, 4922)]