20928702940

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{6337}}^1\times {\mathrm{4463}}^1$

素因数の和:10846

約数の個数: 48

約数和(自身を含む): 45155359872

約数和(自身を除く): 24226656932

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 4463, 6337, 8926, 12674, 17852, 22315, 25348, 31685, 44630, 63370, 89260, 126740, 165131, 234469, 330262, 468938, 660524, 825655, 937876, 1172345, 1651310, 2344690, 3302620, 4689380, 28282031, 56564062, 113128124, 141410155, 282820310, 565640620, 1046435147, 2092870294, 4185740588, 5232175735, 10464351470, 20928702940]

約数ペア:

[(1, 20928702940), (2, 10464351470), (4, 5232175735), (5, 4185740588), (10, 2092870294), (20, 1046435147), (37, 565640620), (74, 282820310), (148, 141410155), (185, 113128124), (370, 56564062), (740, 28282031), (4463, 4689380), (6337, 3302620), (8926, 2344690), (12674, 1651310), (17852, 1172345), (22315, 937876), (25348, 825655), (31685, 660524), (44630, 468938), (63370, 330262), (89260, 234469), (126740, 165131)]