20699793

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{271}}^1$

素因数の和:347

約数の個数: 40

約数和(自身を含む): 33175296

約数和(自身を除く): 12475503

約数列:

[1, 3, 9, 23, 27, 41, 69, 81, 123, 207, 271, 369, 621, 813, 943, 1107, 1863, 2439, 2829, 3321, 6233, 7317, 8487, 11111, 18699, 21951, 25461, 33333, 56097, 76383, 99999, 168291, 255553, 299997, 504873, 766659, 899991, 2299977, 6899931, 20699793]

約数ペア:

[(1, 20699793), (3, 6899931), (9, 2299977), (23, 899991), (27, 766659), (41, 504873), (69, 299997), (81, 255553), (123, 168291), (207, 99999), (271, 76383), (369, 56097), (621, 33333), (813, 25461), (943, 21951), (1107, 18699), (1863, 11111), (2439, 8487), (2829, 7317), (3321, 6233)]