20379184

素因数分解:

$2^4\times 7^1\times {\mathrm{181957}}^1$

素因数の和:181972

約数の個数: 20

約数和(自身を含む): 45125584

約数和(自身を除く): 24746400

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 181957, 363914, 727828, 1273699, 1455656, 2547398, 2911312, 5094796, 10189592, 20379184]

約数ペア:

[(1, 20379184), (2, 10189592), (4, 5094796), (7, 2911312), (8, 2547398), (14, 1455656), (16, 1273699), (28, 727828), (56, 363914), (112, 181957)]