20202681

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{20849}}^1$

素因数の和:20888

約数の個数: 16

約数和(自身を含む): 30024000

約数和(自身を除く): 9821319

約数列:

[1, 3, 17, 19, 51, 57, 323, 969, 20849, 62547, 354433, 396131, 1063299, 1188393, 6734227, 20202681]

約数ペア:

[(1, 20202681), (3, 6734227), (17, 1188393), (19, 1063299), (51, 396131), (57, 354433), (323, 62547), (969, 20849)]