20774908

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1823}}^1$

素因数の和:1882

約数の個数: 48

約数和(自身を含む): 46577664

約数和(自身を除く): 25802756

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 37, 44, 74, 77, 148, 154, 259, 308, 407, 518, 814, 1036, 1628, 1823, 2849, 3646, 5698, 7292, 11396, 12761, 20053, 25522, 40106, 51044, 67451, 80212, 134902, 140371, 269804, 280742, 472157, 561484, 741961, 944314, 1483922, 1888628, 2967844, 5193727, 10387454, 20774908]

約数ペア:

[(1, 20774908), (2, 10387454), (4, 5193727), (7, 2967844), (11, 1888628), (14, 1483922), (22, 944314), (28, 741961), (37, 561484), (44, 472157), (74, 280742), (77, 269804), (148, 140371), (154, 134902), (259, 80212), (308, 67451), (407, 51044), (518, 40106), (814, 25522), (1036, 20053), (1628, 12761), (1823, 11396), (2849, 7292), (3646, 5698)]