20198802

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{258959}}^1$

素因数の和:258977

約数の個数: 16

約数和(自身を含む): 43505280

約数和(自身を除く): 23306478

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 258959, 517918, 776877, 1553754, 3366467, 6732934, 10099401, 20198802]

約数ペア:

[(1, 20198802), (2, 10099401), (3, 6732934), (6, 3366467), (13, 1553754), (26, 776877), (39, 517918), (78, 258959)]