20606716

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{20857}}^1$

素因数の和:20893

約数の個数: 24

約数和(自身を含む): 40881680

約数和(自身を除く): 20274964

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988, 20857, 41714, 83428, 271141, 396283, 542282, 792566, 1084564, 1585132, 5151679, 10303358, 20606716]

約数ペア:

[(1, 20606716), (2, 10303358), (4, 5151679), (13, 1585132), (19, 1084564), (26, 792566), (38, 542282), (52, 396283), (76, 271141), (247, 83428), (494, 41714), (988, 20857)]