20525416

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{48409}}^1$

素因数の和:48468

約数の個数: 16

約数和(自身を含む): 39212100

約数和(自身を除く): 18686684

約数列:

[1, 2, 4, 8, 53, 106, 212, 424, 48409, 96818, 193636, 387272, 2565677, 5131354, 10262708, 20525416]

約数ペア:

[(1, 20525416), (2, 10262708), (4, 5131354), (8, 2565677), (53, 387272), (106, 193636), (212, 96818), (424, 48409)]