20798961710

素因数分解:

$2^1\times 5^1\times {\mathrm{52721}}^1\times {\mathrm{39451}}^1$

素因数の和:92179

約数の個数: 16

約数和(自身を含む): 37439790192

約数和(自身を除く): 16640828482

約数列:

[1, 2, 5, 10, 39451, 52721, 78902, 105442, 197255, 263605, 394510, 527210, 2079896171, 4159792342, 10399480855, 20798961710]

約数ペア:

[(1, 20798961710), (2, 10399480855), (5, 4159792342), (10, 2079896171), (39451, 527210), (52721, 394510), (78902, 263605), (105442, 197255)]