20895063

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43261}}^1$

素因数の和:43294

約数の個数: 16

約数和(自身を含む): 33225216

約数和(自身を除く): 12330153

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 43261, 129783, 302827, 908481, 995003, 2985009, 6965021, 20895063]

約数ペア:

[(1, 20895063), (3, 6965021), (7, 2985009), (21, 995003), (23, 908481), (69, 302827), (161, 129783), (483, 43261)]