20570903836

素因数分解:

$2^2\times 7^2\times {\mathrm{5323}}^1\times {\mathrm{19717}}^1$

素因数の和:25058

約数の個数: 36

約数和(自身を含む): 41886474168

約数和(自身を除く): 21315570332

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 5323, 10646, 19717, 21292, 37261, 39434, 74522, 78868, 138019, 149044, 260827, 276038, 521654, 552076, 966133, 1043308, 1932266, 3864532, 104953591, 209907182, 419814364, 734675137, 1469350274, 2938700548, 5142725959, 10285451918, 20570903836]

約数ペア:

[(1, 20570903836), (2, 10285451918), (4, 5142725959), (7, 2938700548), (14, 1469350274), (28, 734675137), (49, 419814364), (98, 209907182), (196, 104953591), (5323, 3864532), (10646, 1932266), (19717, 1043308), (21292, 966133), (37261, 552076), (39434, 521654), (74522, 276038), (78868, 260827), (138019, 149044)]