20313033

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{347}}^1$

素因数の和:461

約数の個数: 32

約数和(自身を含む): 31180800

約数和(自身を除く): 10867767

約数列:

[1, 3, 13, 19, 39, 57, 79, 237, 247, 347, 741, 1027, 1041, 1501, 3081, 4503, 4511, 6593, 13533, 19513, 19779, 27413, 58539, 82239, 85709, 257127, 356369, 520847, 1069107, 1562541, 6771011, 20313033]

約数ペア:

[(1, 20313033), (3, 6771011), (13, 1562541), (19, 1069107), (39, 520847), (57, 356369), (79, 257127), (237, 85709), (247, 82239), (347, 58539), (741, 27413), (1027, 19779), (1041, 19513), (1501, 13533), (3081, 6593), (4503, 4511)]