20332360

素因数分解:

$2^3\times 5^1\times {\mathrm{661}}^1\times {\mathrm{769}}^1$

素因数の和:1441

約数の個数: 32

約数和(自身を含む): 45876600

約数和(自身を除く): 25544240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 661, 769, 1322, 1538, 2644, 3076, 3305, 3845, 5288, 6152, 6610, 7690, 13220, 15380, 26440, 30760, 508309, 1016618, 2033236, 2541545, 4066472, 5083090, 10166180, 20332360]

約数ペア:

[(1, 20332360), (2, 10166180), (4, 5083090), (5, 4066472), (8, 2541545), (10, 2033236), (20, 1016618), (40, 508309), (661, 30760), (769, 26440), (1322, 15380), (1538, 13220), (2644, 7690), (3076, 6610), (3305, 6152), (3845, 5288)]