20482040

素因数分解:

$2^3\times 5^1\times {\mathrm{479}}^1\times {\mathrm{1069}}^1$

素因数の和:1559

約数の個数: 32

約数和(自身を含む): 46224000

約数和(自身を除く): 25741960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 479, 958, 1069, 1916, 2138, 2395, 3832, 4276, 4790, 5345, 8552, 9580, 10690, 19160, 21380, 42760, 512051, 1024102, 2048204, 2560255, 4096408, 5120510, 10241020, 20482040]

約数ペア:

[(1, 20482040), (2, 10241020), (4, 5120510), (5, 4096408), (8, 2560255), (10, 2048204), (20, 1024102), (40, 512051), (479, 42760), (958, 21380), (1069, 19160), (1916, 10690), (2138, 9580), (2395, 8552), (3832, 5345), (4276, 4790)]