20111028

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{239417}}^1$

素因数の和:239431

約数の個数: 24

約数和(自身を含む): 53629632

約数和(自身を除く): 33518604

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 239417, 478834, 718251, 957668, 1436502, 1675919, 2873004, 3351838, 5027757, 6703676, 10055514, 20111028]

約数ペア:

[(1, 20111028), (2, 10055514), (3, 6703676), (4, 5027757), (6, 3351838), (7, 2873004), (12, 1675919), (14, 1436502), (21, 957668), (28, 718251), (42, 478834), (84, 239417)]