20648643

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{2713}}^1$

素因数の和:2818

約数の個数: 16

約数和(自身を含む): 28659840

約数和(自身を除く): 8011197

約数列:

[1, 3, 43, 59, 129, 177, 2537, 2713, 7611, 8139, 116659, 160067, 349977, 480201, 6882881, 20648643]

約数ペア:

[(1, 20648643), (3, 6882881), (43, 480201), (59, 349977), (129, 160067), (177, 116659), (2537, 8139), (2713, 7611)]