20914913

素因数分解:

${\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{167}}^1$

素因数の和:376

約数の個数: 16

約数和(自身を含む): 22861440

約数和(自身を除く): 1946527

約数列:

[1, 17, 53, 139, 167, 901, 2363, 2839, 7367, 8851, 23213, 125239, 150467, 394621, 1230289, 20914913]

約数ペア:

[(1, 20914913), (17, 1230289), (53, 394621), (139, 150467), (167, 125239), (901, 23213), (2363, 8851), (2839, 7367)]