20793885820

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{313}}^1\times {\mathrm{77249}}^1$

素因数の和:77614

約数の個数: 48

約数和(自身を含む): 44826012000

約数和(自身を除く): 24032126180

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 313, 430, 626, 860, 1252, 1565, 3130, 6260, 13459, 26918, 53836, 67295, 77249, 134590, 154498, 269180, 308996, 386245, 772490, 1544980, 3321707, 6643414, 13286828, 16608535, 24178937, 33217070, 48357874, 66434140, 96715748, 120894685, 241789370, 483578740, 1039694291, 2079388582, 4158777164, 5198471455, 10396942910, 20793885820]

約数ペア:

[(1, 20793885820), (2, 10396942910), (4, 5198471455), (5, 4158777164), (10, 2079388582), (20, 1039694291), (43, 483578740), (86, 241789370), (172, 120894685), (215, 96715748), (313, 66434140), (430, 48357874), (626, 33217070), (860, 24178937), (1252, 16608535), (1565, 13286828), (3130, 6643414), (6260, 3321707), (13459, 1544980), (26918, 772490), (53836, 386245), (67295, 308996), (77249, 269180), (134590, 154498)]