20739543

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{4003}}^1$

素因数の和:4174

約数の個数: 16

約数和(自身を含む): 30366336

約数和(自身を除く): 9626793

約数列:

[1, 3, 11, 33, 157, 471, 1727, 4003, 5181, 12009, 44033, 132099, 628471, 1885413, 6913181, 20739543]

約数ペア:

[(1, 20739543), (3, 6913181), (11, 1885413), (33, 628471), (157, 132099), (471, 44033), (1727, 12009), (4003, 5181)]