20591883

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{4093}}^1$

素因数の和:4155

約数の個数: 24

約数和(自身を含む): 32784752

約数和(自身を除く): 12192869

約数列:

[1, 3, 9, 13, 39, 43, 117, 129, 387, 559, 1677, 4093, 5031, 12279, 36837, 53209, 159627, 175999, 478881, 527997, 1583991, 2287987, 6863961, 20591883]

約数ペア:

[(1, 20591883), (3, 6863961), (9, 2287987), (13, 1583991), (39, 527997), (43, 478881), (117, 175999), (129, 159627), (387, 53209), (559, 36837), (1677, 12279), (4093, 5031)]