20690025

素因数分解:

$3^1\times 5^2\times {\mathrm{73}}^1\times {\mathrm{3779}}^1$

素因数の和:3865

約数の個数: 24

約数和(自身を含む): 34685280

約数和(自身を除く): 13995255

約数列:

[1, 3, 5, 15, 25, 73, 75, 219, 365, 1095, 1825, 3779, 5475, 11337, 18895, 56685, 94475, 275867, 283425, 827601, 1379335, 4138005, 6896675, 20690025]

約数ペア:

[(1, 20690025), (3, 6896675), (5, 4138005), (15, 1379335), (25, 827601), (73, 283425), (75, 275867), (219, 94475), (365, 56685), (1095, 18895), (1825, 11337), (3779, 5475)]