20275520

素因数分解:

$2^6\times 5^1\times {\mathrm{63361}}^1$

素因数の和:63378

約数の個数: 28

約数和(自身を含む): 48281844

約数和(自身を除く): 28006324

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 63361, 126722, 253444, 316805, 506888, 633610, 1013776, 1267220, 2027552, 2534440, 4055104, 5068880, 10137760, 20275520]

約数ペア:

[(1, 20275520), (2, 10137760), (4, 5068880), (5, 4055104), (8, 2534440), (10, 2027552), (16, 1267220), (20, 1013776), (32, 633610), (40, 506888), (64, 316805), (80, 253444), (160, 126722), (320, 63361)]