20551678

素因数分解:

$2^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{4877}}^1$

素因数の和:4936

約数の個数: 24

約数和(自身を含む): 36702072

約数和(自身を除く): 16150394

約数列:

[1, 2, 7, 14, 43, 49, 86, 98, 301, 602, 2107, 4214, 4877, 9754, 34139, 68278, 209711, 238973, 419422, 477946, 1467977, 2935954, 10275839, 20551678]

約数ペア:

[(1, 20551678), (2, 10275839), (7, 2935954), (14, 1467977), (43, 477946), (49, 419422), (86, 238973), (98, 209711), (301, 68278), (602, 34139), (2107, 9754), (4214, 4877)]