20266904

素因数分解:

$2^3\times 7^1\times {\mathrm{361909}}^1$

素因数の和:361922

約数の個数: 16

約数和(自身を含む): 43429200

約数和(自身を除く): 23162296

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 361909, 723818, 1447636, 2533363, 2895272, 5066726, 10133452, 20266904]

約数ペア:

[(1, 20266904), (2, 10133452), (4, 5066726), (7, 2895272), (8, 2533363), (14, 1447636), (28, 723818), (56, 361909)]