20106999

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{2447}}^1$

素因数の和:2547

約数の個数: 24

約数和(自身を含む): 32078592

約数和(自身を除く): 11971593

約数列:

[1, 3, 9, 11, 33, 83, 99, 249, 747, 913, 2447, 2739, 7341, 8217, 22023, 26917, 80751, 203101, 242253, 609303, 1827909, 2234111, 6702333, 20106999]

約数ペア:

[(1, 20106999), (3, 6702333), (9, 2234111), (11, 1827909), (33, 609303), (83, 242253), (99, 203101), (249, 80751), (747, 26917), (913, 22023), (2447, 8217), (2739, 7341)]