20285655550

素因数分解:

$2^1\times 5^2\times {\mathrm{79}}^1\times {\mathrm{5135609}}^1$

素因数の和:5135700

約数の個数: 24

約数和(自身を含む): 38208938400

約数和(自身を除く): 17923282850

約数列:

[1, 2, 5, 10, 25, 50, 79, 158, 395, 790, 1975, 3950, 5135609, 10271218, 25678045, 51356090, 128390225, 256780450, 405713111, 811426222, 2028565555, 4057131110, 10142827775, 20285655550]

約数ペア:

[(1, 20285655550), (2, 10142827775), (5, 4057131110), (10, 2028565555), (25, 811426222), (50, 405713111), (79, 256780450), (158, 128390225), (395, 51356090), (790, 25678045), (1975, 10271218), (3950, 5135609)]