20156194899

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{157}}^1\times {\mathrm{193}}^1\times {\mathrm{347}}^1$

素因数の和:777

約数の個数: 64

約数和(自身を含む): 30720660480

約数和(自身を除く): 10564465581

約数列:

[1, 3, 9, 27, 71, 157, 193, 213, 347, 471, 579, 639, 1041, 1413, 1737, 1917, 3123, 4239, 5211, 9369, 11147, 13703, 24637, 30301, 33441, 41109, 54479, 66971, 73911, 90903, 100323, 123327, 163437, 200913, 221733, 272709, 300969, 369981, 490311, 602739, 665199, 818127, 1470933, 1808217, 2151371, 3868009, 4754941, 6454113, 10514447, 11604027, 14264823, 19362339, 31543341, 34812081, 42794469, 58087017, 94630023, 104436243, 128383407, 283890069, 746525737, 2239577211, 6718731633, 20156194899]

約数ペア:

[(1, 20156194899), (3, 6718731633), (9, 2239577211), (27, 746525737), (71, 283890069), (157, 128383407), (193, 104436243), (213, 94630023), (347, 58087017), (471, 42794469), (579, 34812081), (639, 31543341), (1041, 19362339), (1413, 14264823), (1737, 11604027), (1917, 10514447), (3123, 6454113), (4239, 4754941), (5211, 3868009), (9369, 2151371), (11147, 1808217), (13703, 1470933), (24637, 818127), (30301, 665199), (33441, 602739), (41109, 490311), (54479, 369981), (66971, 300969), (73911, 272709), (90903, 221733), (100323, 200913), (123327, 163437)]