20040687

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{719}}^1$

素因数の和:907

約数の個数: 24

約数和(自身を含む): 30700800

約数和(自身を除く): 10660113

約数列:

[1, 3, 9, 19, 57, 163, 171, 489, 719, 1467, 2157, 3097, 6471, 9291, 13661, 27873, 40983, 117197, 122949, 351591, 1054773, 2226743, 6680229, 20040687]

約数ペア:

[(1, 20040687), (3, 6680229), (9, 2226743), (19, 1054773), (57, 351591), (163, 122949), (171, 117197), (489, 40983), (719, 27873), (1467, 13661), (2157, 9291), (3097, 6471)]