20107359

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{251}}^1$

素因数の和:329

約数の個数: 40

約数和(自身を含む): 32199552

約数和(自身を除く): 12092193

約数列:

[1, 3, 9, 23, 27, 43, 69, 81, 129, 207, 251, 387, 621, 753, 989, 1161, 1863, 2259, 2967, 3483, 5773, 6777, 8901, 10793, 17319, 20331, 26703, 32379, 51957, 80109, 97137, 155871, 248239, 291411, 467613, 744717, 874233, 2234151, 6702453, 20107359]

約数ペア:

[(1, 20107359), (3, 6702453), (9, 2234151), (23, 874233), (27, 744717), (43, 467613), (69, 291411), (81, 248239), (129, 155871), (207, 97137), (251, 80109), (387, 51957), (621, 32379), (753, 26703), (989, 20331), (1161, 17319), (1863, 10793), (2259, 8901), (2967, 6777), (3483, 5773)]