20047804

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{16651}}^1$

素因数の和:16705

約数の個数: 24

約数和(自身を含む): 41030528

約数和(自身を除く): 20982724

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 602, 1204, 16651, 33302, 66604, 116557, 233114, 466228, 715993, 1431986, 2863972, 5011951, 10023902, 20047804]

約数ペア:

[(1, 20047804), (2, 10023902), (4, 5011951), (7, 2863972), (14, 1431986), (28, 715993), (43, 466228), (86, 233114), (172, 116557), (301, 66604), (602, 33302), (1204, 16651)]