20259520

素因数分解:

$2^6\times 5^1\times {\mathrm{63311}}^1$

素因数の和:63328

約数の個数: 28

約数和(自身を含む): 48243744

約数和(自身を除く): 27984224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 63311, 126622, 253244, 316555, 506488, 633110, 1012976, 1266220, 2025952, 2532440, 4051904, 5064880, 10129760, 20259520]

約数ペア:

[(1, 20259520), (2, 10129760), (4, 5064880), (5, 4051904), (8, 2532440), (10, 2025952), (16, 1266220), (20, 1012976), (32, 633110), (40, 506488), (64, 316555), (80, 253244), (160, 126622), (320, 63311)]