20944400

素因数分解:

$2^4\times 5^2\times {\mathrm{52361}}^1$

素因数の和:52379

約数の個数: 30

約数和(自身を含む): 50319882

約数和(自身を除く): 29375482

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 52361, 104722, 209444, 261805, 418888, 523610, 837776, 1047220, 1309025, 2094440, 2618050, 4188880, 5236100, 10472200, 20944400]

約数ペア:

[(1, 20944400), (2, 10472200), (4, 5236100), (5, 4188880), (8, 2618050), (10, 2094440), (16, 1309025), (20, 1047220), (25, 837776), (40, 523610), (50, 418888), (80, 261805), (100, 209444), (200, 104722), (400, 52361)]