20664654

素因数分解:

$2^1\times 3^1\times {\mathrm{157}}^1\times {\mathrm{21937}}^1$

素因数の和:22099

約数の個数: 16

約数和(自身を含む): 41594448

約数和(自身を除く): 20929794

約数列:

[1, 2, 3, 6, 157, 314, 471, 942, 21937, 43874, 65811, 131622, 3444109, 6888218, 10332327, 20664654]

約数ペア:

[(1, 20664654), (2, 10332327), (3, 6888218), (6, 3444109), (157, 131622), (314, 65811), (471, 43874), (942, 21937)]