20199442910

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{227}}^1\times {\mathrm{81637}}^1$

素因数の和:81980

約数の個数: 32

約数和(自身を含む): 36854658720

約数和(自身を除く): 16655215810

約数列:

[1, 2, 5, 10, 109, 218, 227, 454, 545, 1090, 1135, 2270, 24743, 49486, 81637, 123715, 163274, 247430, 408185, 816370, 8898433, 17796866, 18531599, 37063198, 44492165, 88984330, 92657995, 185315990, 2019944291, 4039888582, 10099721455, 20199442910]

約数ペア:

[(1, 20199442910), (2, 10099721455), (5, 4039888582), (10, 2019944291), (109, 185315990), (218, 92657995), (227, 88984330), (454, 44492165), (545, 37063198), (1090, 18531599), (1135, 17796866), (2270, 8898433), (24743, 816370), (49486, 408185), (81637, 247430), (123715, 163274)]