20163833739

素因数分解:

$3^4\times 7^2\times {\mathrm{17}}^2\times {\mathrm{17579}}^1$

素因数の和:17639

約数の個数: 90

約数和(自身を含む): 37223522820

約数和(自身を除く): 17059689081

約数列:

[1, 3, 7, 9, 17, 21, 27, 49, 51, 63, 81, 119, 147, 153, 189, 289, 357, 441, 459, 567, 833, 867, 1071, 1323, 1377, 2023, 2499, 2601, 3213, 3969, 6069, 7497, 7803, 9639, 14161, 17579, 18207, 22491, 23409, 42483, 52737, 54621, 67473, 123053, 127449, 158211, 163863, 298843, 369159, 382347, 474633, 861371, 896529, 1107477, 1147041, 1423899, 2091901, 2584113, 2689587, 3322431, 5080331, 6275703, 7752339, 8068761, 9967293, 14643307, 15240993, 18827109, 23257017, 24206283, 35562317, 43929921, 45722979, 56481327, 69771051, 106686951, 131789763, 137168937, 169443981, 248936219, 320060853, 395369289, 411506811, 746808657, 960182559, 1186107867, 2240425971, 2880547677, 6721277913, 20163833739]

約数ペア:

[(1, 20163833739), (3, 6721277913), (7, 2880547677), (9, 2240425971), (17, 1186107867), (21, 960182559), (27, 746808657), (49, 411506811), (51, 395369289), (63, 320060853), (81, 248936219), (119, 169443981), (147, 137168937), (153, 131789763), (189, 106686951), (289, 69771051), (357, 56481327), (441, 45722979), (459, 43929921), (567, 35562317), (833, 24206283), (867, 23257017), (1071, 18827109), (1323, 15240993), (1377, 14643307), (2023, 9967293), (2499, 8068761), (2601, 7752339), (3213, 6275703), (3969, 5080331), (6069, 3322431), (7497, 2689587), (7803, 2584113), (9639, 2091901), (14161, 1423899), (17579, 1147041), (18207, 1107477), (22491, 896529), (23409, 861371), (42483, 474633), (52737, 382347), (54621, 369159), (67473, 298843), (123053, 163863), (127449, 158211)]