20407544

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{48131}}^1$

素因数の和:48190

約数の個数: 16

約数和(自身を含む): 38986920

約数和(自身を除く): 18579376

約数列:

[1, 2, 4, 8, 53, 106, 212, 424, 48131, 96262, 192524, 385048, 2550943, 5101886, 10203772, 20407544]

約数ペア:

[(1, 20407544), (2, 10203772), (4, 5101886), (8, 2550943), (53, 385048), (106, 192524), (212, 96262), (424, 48131)]