20355003

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{293}}^1$

素因数の和:416

約数の個数: 32

約数和(自身を含む): 31610880

約数和(自身を除く): 11255877

約数列:

[1, 3, 9, 27, 31, 83, 93, 249, 279, 293, 747, 837, 879, 2241, 2573, 2637, 7719, 7911, 9083, 23157, 24319, 27249, 69471, 72957, 81747, 218871, 245241, 656613, 753889, 2261667, 6785001, 20355003]

約数ペア:

[(1, 20355003), (3, 6785001), (9, 2261667), (27, 753889), (31, 656613), (83, 245241), (93, 218871), (249, 81747), (279, 72957), (293, 69471), (747, 27249), (837, 24319), (879, 23157), (2241, 9083), (2573, 7911), (2637, 7719)]