20925099

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{9413}}^1$

素因数の和:9451

約数の個数: 24

約数和(自身を含む): 34266960

約数和(自身を除く): 13341861

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 741, 2223, 9413, 28239, 84717, 122369, 178847, 367107, 536541, 1101321, 1609623, 2325011, 6975033, 20925099]

約数ペア:

[(1, 20925099), (3, 6975033), (9, 2325011), (13, 1609623), (19, 1101321), (39, 536541), (57, 367107), (117, 178847), (171, 122369), (247, 84717), (741, 28239), (2223, 9413)]