20188637

素因数分解:

$7^3\times {\mathrm{71}}^1\times {\mathrm{829}}^1$

素因数の和:921

約数の個数: 16

約数和(自身を含む): 23904000

約数和(自身を除く): 3715363

約数列:

[1, 7, 49, 71, 343, 497, 829, 3479, 5803, 24353, 40621, 58859, 284347, 412013, 2884091, 20188637]

約数ペア:

[(1, 20188637), (7, 2884091), (49, 412013), (71, 284347), (343, 58859), (497, 40621), (829, 24353), (3479, 5803)]