20331891

素因数分解:

$3^4\times {\mathrm{103}}^1\times {\mathrm{2437}}^1$

素因数の和:2552

約数の個数: 20

約数和(自身を含む): 30679792

約数和(自身を除く): 10347901

約数列:

[1, 3, 9, 27, 81, 103, 309, 927, 2437, 2781, 7311, 8343, 21933, 65799, 197397, 251011, 753033, 2259099, 6777297, 20331891]

約数ペア:

[(1, 20331891), (3, 6777297), (9, 2259099), (27, 753033), (81, 251011), (103, 197397), (309, 65799), (927, 21933), (2437, 8343), (2781, 7311)]