20139913871

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1709}}^1\times {\mathrm{4937}}^1$

素因数の和:6695

約数の個数: 32

約数和(自身を含む): 25939906560

約数和(自身を除く): 5799992689

約数列:

[1, 7, 11, 31, 77, 217, 341, 1709, 2387, 4937, 11963, 18799, 34559, 52979, 54307, 131593, 153047, 370853, 380149, 582769, 1071329, 1683517, 4079383, 8437333, 11784619, 59061331, 92810663, 261557323, 649674641, 1830901261, 2877130553, 20139913871]

約数ペア:

[(1, 20139913871), (7, 2877130553), (11, 1830901261), (31, 649674641), (77, 261557323), (217, 92810663), (341, 59061331), (1709, 11784619), (2387, 8437333), (4937, 4079383), (11963, 1683517), (18799, 1071329), (34559, 582769), (52979, 380149), (54307, 370853), (131593, 153047)]