20547884

素因数分解:

$2^2\times 7^1\times {\mathrm{631}}^1\times {\mathrm{1163}}^1$

素因数の和:1805

約数の個数: 24

約数和(自身を含む): 41196288

約数和(自身を除く): 20648404

約数列:

[1, 2, 4, 7, 14, 28, 631, 1163, 1262, 2326, 2524, 4417, 4652, 8141, 8834, 16282, 17668, 32564, 733853, 1467706, 2935412, 5136971, 10273942, 20547884]

約数ペア:

[(1, 20547884), (2, 10273942), (4, 5136971), (7, 2935412), (14, 1467706), (28, 733853), (631, 32564), (1163, 17668), (1262, 16282), (2326, 8834), (2524, 8141), (4417, 4652)]