20878382

素因数分解:

$2^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{5503}}^1$

素因数の和:5783

約数の個数: 16

約数和(自身を含む): 35930112

約数和(自身を除く): 15051730

約数列:

[1, 2, 7, 14, 271, 542, 1897, 3794, 5503, 11006, 38521, 77042, 1491313, 2982626, 10439191, 20878382]

約数ペア:

[(1, 20878382), (2, 10439191), (7, 2982626), (14, 1491313), (271, 77042), (542, 38521), (1897, 11006), (3794, 5503)]