20871442

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{619}}^1\times {\mathrm{733}}^1$

素因数の和:1377

約数の個数: 16

約数和(自身を含む): 32765760

約数和(自身を除く): 11894318

約数列:

[1, 2, 23, 46, 619, 733, 1238, 1466, 14237, 16859, 28474, 33718, 453727, 907454, 10435721, 20871442]

約数ペア:

[(1, 20871442), (2, 10435721), (23, 907454), (46, 453727), (619, 33718), (733, 28474), (1238, 16859), (1466, 14237)]