20625319

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{6271}}^1$

素因数の和:6318

約数の個数: 16

約数和(自身を含む): 25288704

約数和(自身を除く): 4663385

約数列:

[1, 11, 13, 23, 143, 253, 299, 3289, 6271, 68981, 81523, 144233, 896753, 1586563, 1875029, 20625319]

約数ペア:

[(1, 20625319), (11, 1875029), (13, 1586563), (23, 896753), (143, 144233), (253, 81523), (299, 68981), (3289, 6271)]