20677321

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{3697}}^1$

素因数の和:3768

約数の個数: 16

約数和(自身を含む): 25560576

約数和(自身を除く): 4883255

約数列:

[1, 7, 17, 47, 119, 329, 799, 3697, 5593, 25879, 62849, 173759, 439943, 1216313, 2953903, 20677321]

約数ペア:

[(1, 20677321), (7, 2953903), (17, 1216313), (47, 439943), (119, 173759), (329, 62849), (799, 25879), (3697, 5593)]