204811220

素因数分解:

$2^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{38069}}^1$

素因数の和:38347

約数の個数: 24

約数和(自身を含む): 431713800

約数和(自身を除く): 226902580

約数列:

[1, 2, 4, 5, 10, 20, 269, 538, 1076, 1345, 2690, 5380, 38069, 76138, 152276, 190345, 380690, 761380, 10240561, 20481122, 40962244, 51202805, 102405610, 204811220]

約数ペア:

[(1, 204811220), (2, 102405610), (4, 51202805), (5, 40962244), (10, 20481122), (20, 10240561), (269, 761380), (538, 380690), (1076, 190345), (1345, 152276), (2690, 76138), (5380, 38069)]