20369223

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{11149}}^1$

素因数の和:11191

約数の個数: 24

約数和(自身を含む): 34788000

約数和(自身を除く): 14418777

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 203, 261, 609, 1827, 11149, 33447, 78043, 100341, 234129, 323321, 702387, 969963, 2263247, 2909889, 6789741, 20369223]

約数ペア:

[(1, 20369223), (3, 6789741), (7, 2909889), (9, 2263247), (21, 969963), (29, 702387), (63, 323321), (87, 234129), (203, 100341), (261, 78043), (609, 33447), (1827, 11149)]