20402456

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{48119}}^1$

素因数の和:48178

約数の個数: 16

約数和(自身を含む): 38977200

約数和(自身を除く): 18574744

約数列:

[1, 2, 4, 8, 53, 106, 212, 424, 48119, 96238, 192476, 384952, 2550307, 5100614, 10201228, 20402456]

約数ペア:

[(1, 20402456), (2, 10201228), (4, 5100614), (8, 2550307), (53, 384952), (106, 192476), (212, 96238), (424, 48119)]