20790007

素因数分解:

$7^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{709}}^1$

素因数の和:846

約数の個数: 16

約数和(自身を含む): 24537600

約数和(自身を除く): 3747593

約数列:

[1, 7, 59, 71, 413, 497, 709, 4189, 4963, 29323, 41831, 50339, 292817, 352373, 2970001, 20790007]

約数ペア:

[(1, 20790007), (7, 2970001), (59, 352373), (71, 292817), (413, 50339), (497, 41831), (709, 29323), (4189, 4963)]