20418568

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{48157}}^1$

素因数の和:48216

約数の個数: 16

約数和(自身を含む): 39007980

約数和(自身を除く): 18589412

約数列:

[1, 2, 4, 8, 53, 106, 212, 424, 48157, 96314, 192628, 385256, 2552321, 5104642, 10209284, 20418568]

約数ペア:

[(1, 20418568), (2, 10209284), (4, 5104642), (8, 2552321), (53, 385256), (106, 192628), (212, 96314), (424, 48157)]