20891514

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{497417}}^1$

素因数の和:497429

約数の個数: 16

約数和(自身を含む): 47752128

約数和(自身を除く): 26860614

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 497417, 994834, 1492251, 2984502, 3481919, 6963838, 10445757, 20891514]

約数ペア:

[(1, 20891514), (2, 10445757), (3, 6963838), (6, 3481919), (7, 2984502), (14, 1492251), (21, 994834), (42, 497417)]