16720186

素因数分解:

$2^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{7607}}^1$

素因数の和:7773

約数の個数: 16

約数和(自身を含む): 28849536

約数和(自身を除く): 12129350

約数列:

[1, 2, 7, 14, 157, 314, 1099, 2198, 7607, 15214, 53249, 106498, 1194299, 2388598, 8360093, 16720186]

約数ペア:

[(1, 16720186), (2, 8360093), (7, 2388598), (14, 1194299), (157, 106498), (314, 53249), (1099, 15214), (2198, 7607)]