20319111

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{613}}^1$

素因数の和:775

約数の個数: 24

約数和(自身を含む): 30650880

約数和(自身を除く): 10331769

約数列:

[1, 3, 9, 29, 87, 127, 261, 381, 613, 1143, 1839, 3683, 5517, 11049, 17777, 33147, 53331, 77851, 159993, 233553, 700659, 2257679, 6773037, 20319111]

約数ペア:

[(1, 20319111), (3, 6773037), (9, 2257679), (29, 700659), (87, 233553), (127, 159993), (261, 77851), (381, 53331), (613, 33147), (1143, 17777), (1839, 11049), (3683, 5517)]