20486533820

素因数分解:

$2^2\times 5^1\times {\mathrm{2861}}^1\times {\mathrm{358031}}^1$

素因数の和:360901

約数の個数: 24

約数和(自身を含む): 43036878528

約数和(自身を除く): 22550344708

約数列:

[1, 2, 4, 5, 10, 20, 2861, 5722, 11444, 14305, 28610, 57220, 358031, 716062, 1432124, 1790155, 3580310, 7160620, 1024326691, 2048653382, 4097306764, 5121633455, 10243266910, 20486533820]

約数ペア:

[(1, 20486533820), (2, 10243266910), (4, 5121633455), (5, 4097306764), (10, 2048653382), (20, 1024326691), (2861, 7160620), (5722, 3580310), (11444, 1790155), (14305, 1432124), (28610, 716062), (57220, 358031)]