20897956

素因数分解:

$2^2\times {\mathrm{107}}^1\times {\mathrm{157}}^1\times {\mathrm{311}}^1$

素因数の和:579

約数の個数: 24

約数和(自身を含む): 37267776

約数和(自身を除く): 16369820

約数列:

[1, 2, 4, 107, 157, 214, 311, 314, 428, 622, 628, 1244, 16799, 33277, 33598, 48827, 66554, 67196, 97654, 133108, 195308, 5224489, 10448978, 20897956]

約数ペア:

[(1, 20897956), (2, 10448978), (4, 5224489), (107, 195308), (157, 133108), (214, 97654), (311, 67196), (314, 66554), (428, 48827), (622, 33598), (628, 33277), (1244, 16799)]