20123992863

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1549549}}^1$

素因数の和:1549608

約数の個数: 32

約数和(自身を含む): 32974424000

約数和(自身を除く): 12850431137

約数列:

[1, 3, 9, 13, 27, 37, 39, 111, 117, 333, 351, 481, 999, 1443, 4329, 12987, 1549549, 4648647, 13945941, 20144137, 41837823, 57333313, 60432411, 171999939, 181297233, 515999817, 543891699, 745333069, 1547999451, 2235999207, 6707997621, 20123992863]

約数ペア:

[(1, 20123992863), (3, 6707997621), (9, 2235999207), (13, 1547999451), (27, 745333069), (37, 543891699), (39, 515999817), (111, 181297233), (117, 171999939), (333, 60432411), (351, 57333313), (481, 41837823), (999, 20144137), (1443, 13945941), (4329, 4648647), (12987, 1549549)]