20199213

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{14669}}^1$

素因数の和:14698

約数の個数: 20

約数和(自身を含む): 31951260

約数和(自身を除く): 11752047

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 14669, 44007, 132021, 249373, 396063, 748119, 1188189, 2244357, 6733071, 20199213]

約数ペア:

[(1, 20199213), (3, 6733071), (9, 2244357), (17, 1188189), (27, 748119), (51, 396063), (81, 249373), (153, 132021), (459, 44007), (1377, 14669)]