20864519

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{2251}}^1$

素因数の和:2318

約数の個数: 16

約数和(自身を含む): 24213504

約数和(自身を除く): 3348985

約数列:

[1, 13, 23, 31, 299, 403, 713, 2251, 9269, 29263, 51773, 69781, 673049, 907153, 1604963, 20864519]

約数ペア:

[(1, 20864519), (13, 1604963), (23, 907153), (31, 673049), (299, 69781), (403, 51773), (713, 29263), (2251, 9269)]