20199051

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{8599}}^1$

素因数の和:8640

約数の個数: 20

約数和(自身を含む): 31218000

約数和(自身を除く): 11018949

約数列:

[1, 3, 9, 27, 29, 81, 87, 261, 783, 2349, 8599, 25797, 77391, 232173, 249371, 696519, 748113, 2244339, 6733017, 20199051]

約数ペア:

[(1, 20199051), (3, 6733017), (9, 2244339), (27, 748113), (29, 696519), (81, 249371), (87, 232173), (261, 77391), (783, 25797), (2349, 8599)]