20279812

素因数分解:

$2^2\times 7^1\times {\mathrm{167}}^1\times {\mathrm{4337}}^1$

素因数の和:4515

約数の個数: 24

約数和(自身を含む): 40811904

約数和(自身を除く): 20532092

約数列:

[1, 2, 4, 7, 14, 28, 167, 334, 668, 1169, 2338, 4337, 4676, 8674, 17348, 30359, 60718, 121436, 724279, 1448558, 2897116, 5069953, 10139906, 20279812]

約数ペア:

[(1, 20279812), (2, 10139906), (4, 5069953), (7, 2897116), (14, 1448558), (28, 724279), (167, 121436), (334, 60718), (668, 30359), (1169, 17348), (2338, 8674), (4337, 4676)]