20254005

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{14519}}^1$

素因数の和:14561

約数の個数: 24

約数和(自身を含む): 36241920

約数和(自身を除く): 15987915

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 155, 279, 465, 1395, 14519, 43557, 72595, 130671, 217785, 450089, 653355, 1350267, 2250445, 4050801, 6751335, 20254005]

約数ペア:

[(1, 20254005), (3, 6751335), (5, 4050801), (9, 2250445), (15, 1350267), (31, 653355), (45, 450089), (93, 217785), (155, 130671), (279, 72595), (465, 43557), (1395, 14519)]