20786418

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{60779}}^1$

素因数の和:60806

約数の個数: 24

約数和(自身を含む): 47408400

約数和(自身を除く): 26621982

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 342, 60779, 121558, 182337, 364674, 547011, 1094022, 1154801, 2309602, 3464403, 6928806, 10393209, 20786418]

約数ペア:

[(1, 20786418), (2, 10393209), (3, 6928806), (6, 3464403), (9, 2309602), (18, 1154801), (19, 1094022), (38, 547011), (57, 364674), (114, 182337), (171, 121558), (342, 60779)]