20723851

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1009}}^1$

素因数の和:1098

約数の個数: 16

約数和(自身を含む): 23270400

約数和(自身を除く): 2546549

約数列:

[1, 19, 23, 47, 437, 893, 1009, 1081, 19171, 20539, 23207, 47423, 440933, 901037, 1090729, 20723851]

約数ペア:

[(1, 20723851), (19, 1090729), (23, 901037), (47, 440933), (437, 47423), (893, 23207), (1009, 20539), (1081, 19171)]