20827995

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{827}}^1$

素因数の和:931

約数の個数: 32

約数和(自身を含む): 35292672

約数和(自身を除く): 14464677

約数列:

[1, 3, 5, 15, 23, 69, 73, 115, 219, 345, 365, 827, 1095, 1679, 2481, 4135, 5037, 8395, 12405, 19021, 25185, 57063, 60371, 95105, 181113, 285315, 301855, 905565, 1388533, 4165599, 6942665, 20827995]

約数ペア:

[(1, 20827995), (3, 6942665), (5, 4165599), (15, 1388533), (23, 905565), (69, 301855), (73, 285315), (115, 181113), (219, 95105), (345, 60371), (365, 57063), (827, 25185), (1095, 19021), (1679, 12405), (2481, 8395), (4135, 5037)]