20975486

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{34843}}^1$

素因数の和:34895

約数の個数: 16

約数和(自身を含む): 36795264

約数和(自身を除く): 15819778

約数列:

[1, 2, 7, 14, 43, 86, 301, 602, 34843, 69686, 243901, 487802, 1498249, 2996498, 10487743, 20975486]

約数ペア:

[(1, 20975486), (2, 10487743), (7, 2996498), (14, 1498249), (43, 487802), (86, 243901), (301, 69686), (602, 34843)]