20979374

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{26029}}^1$

素因数の和:26075

約数の個数: 16

約数和(自身を含む): 34984320

約数和(自身を除く): 14004946

約数列:

[1, 2, 13, 26, 31, 62, 403, 806, 26029, 52058, 338377, 676754, 806899, 1613798, 10489687, 20979374]

約数ペア:

[(1, 20979374), (2, 10489687), (13, 1613798), (26, 806899), (31, 676754), (62, 338377), (403, 52058), (806, 26029)]