20923196

素因数分解:

$2^2\times 7^2\times {\mathrm{106751}}^1$

素因数の和:106769

約数の個数: 18

約数和(自身を含む): 42594048

約数和(自身を除く): 21670852

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 106751, 213502, 427004, 747257, 1494514, 2989028, 5230799, 10461598, 20923196]

約数ペア:

[(1, 20923196), (2, 10461598), (4, 5230799), (7, 2989028), (14, 1494514), (28, 747257), (49, 427004), (98, 213502), (196, 106751)]