20844892

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{127103}}^1$

素因数の和:127148

約数の個数: 12

約数和(自身を含む): 37368576

約数和(自身を除く): 16523684

約数列:

[1, 2, 4, 41, 82, 164, 127103, 254206, 508412, 5211223, 10422446, 20844892]

約数ペア:

[(1, 20844892), (2, 10422446), (4, 5211223), (41, 508412), (82, 254206), (164, 127103)]