20236720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{36137}}^1$

素因数の和:36157

約数の個数: 40

約数和(自身を含む): 53773344

約数和(自身を除く): 33536624

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 36137, 72274, 144548, 180685, 252959, 289096, 361370, 505918, 578192, 722740, 1011836, 1264795, 1445480, 2023672, 2529590, 2890960, 4047344, 5059180, 10118360, 20236720]

約数ペア:

[(1, 20236720), (2, 10118360), (4, 5059180), (5, 4047344), (7, 2890960), (8, 2529590), (10, 2023672), (14, 1445480), (16, 1264795), (20, 1011836), (28, 722740), (35, 578192), (40, 505918), (56, 361370), (70, 289096), (80, 252959), (112, 180685), (140, 144548), (280, 72274), (560, 36137)]