20218588312

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{15161}}^1\times {\mathrm{12823}}^1$

素因数の和:28003

約数の個数: 32

約数和(自身を含む): 40831872480

約数和(自身を除く): 20613284168

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 12823, 15161, 25646, 30322, 51292, 60644, 102584, 121288, 166699, 197093, 333398, 394186, 666796, 788372, 1333592, 1576744, 194409503, 388819006, 777638012, 1555276024, 2527323539, 5054647078, 10109294156, 20218588312]

約数ペア:

[(1, 20218588312), (2, 10109294156), (4, 5054647078), (8, 2527323539), (13, 1555276024), (26, 777638012), (52, 388819006), (104, 194409503), (12823, 1576744), (15161, 1333592), (25646, 788372), (30322, 666796), (51292, 394186), (60644, 333398), (102584, 197093), (121288, 166699)]