20281326

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{260017}}^1$

素因数の和:260035

約数の個数: 16

約数和(自身を含む): 43683024

約数和(自身を除く): 23401698

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 260017, 520034, 780051, 1560102, 3380221, 6760442, 10140663, 20281326]

約数ペア:

[(1, 20281326), (2, 10140663), (3, 6760442), (6, 3380221), (13, 1560102), (26, 780051), (39, 520034), (78, 260017)]