20172969817

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{373}}^1\times {\mathrm{557}}^1$

素因数の和:1058

約数の個数: 64

約数和(自身を含む): 27487240704

約数和(自身を除く): 7314270887

約数列:

[1, 7, 11, 13, 77, 91, 97, 143, 373, 557, 679, 1001, 1067, 1261, 2611, 3899, 4103, 4849, 6127, 7241, 7469, 8827, 13871, 28721, 33943, 36181, 42889, 50687, 53339, 54029, 79651, 97097, 207761, 253267, 373373, 378203, 397991, 470353, 557557, 594319, 702377, 1454327, 2285371, 2700893, 2785937, 3292471, 4160233, 4916639, 5173883, 7726147, 15997597, 18906251, 20152817, 29709823, 36217181, 54083029, 141069719, 207968761, 221680987, 261986621, 1551766909, 1833906347, 2881852831, 20172969817]

約数ペア:

[(1, 20172969817), (7, 2881852831), (11, 1833906347), (13, 1551766909), (77, 261986621), (91, 221680987), (97, 207968761), (143, 141069719), (373, 54083029), (557, 36217181), (679, 29709823), (1001, 20152817), (1067, 18906251), (1261, 15997597), (2611, 7726147), (3899, 5173883), (4103, 4916639), (4849, 4160233), (6127, 3292471), (7241, 2785937), (7469, 2700893), (8827, 2285371), (13871, 1454327), (28721, 702377), (33943, 594319), (36181, 557557), (42889, 470353), (50687, 397991), (53339, 378203), (54029, 373373), (79651, 253267), (97097, 207761)]