20254580

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{13873}}^1$

素因数の和:13955

約数の個数: 24

約数和(自身を含む): 43120392

約数和(自身を除く): 22865812

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 13873, 27746, 55492, 69365, 138730, 277460, 1012729, 2025458, 4050916, 5063645, 10127290, 20254580]

約数ペア:

[(1, 20254580), (2, 10127290), (4, 5063645), (5, 4050916), (10, 2025458), (20, 1012729), (73, 277460), (146, 138730), (292, 69365), (365, 55492), (730, 27746), (1460, 13873)]