20254455

素因数分解:

$3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3847}}^1$

素因数の和:3877

約数の個数: 40

約数和(自身を含む): 39111072

約数和(自身を除く): 18856617

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 81, 117, 135, 195, 351, 405, 585, 1053, 1755, 3847, 5265, 11541, 19235, 34623, 50011, 57705, 103869, 150033, 173115, 250055, 311607, 450099, 519345, 750165, 1350297, 1558035, 2250495, 4050891, 6751485, 20254455]

約数ペア:

[(1, 20254455), (3, 6751485), (5, 4050891), (9, 2250495), (13, 1558035), (15, 1350297), (27, 750165), (39, 519345), (45, 450099), (65, 311607), (81, 250055), (117, 173115), (135, 150033), (195, 103869), (351, 57705), (405, 50011), (585, 34623), (1053, 19235), (1755, 11541), (3847, 5265)]