20889357

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{1951}}^1$

素因数の和:2080

約数の個数: 16

約数和(自身を含む): 28858368

約数和(自身を除く): 7969011

約数列:

[1, 3, 43, 83, 129, 249, 1951, 3569, 5853, 10707, 83893, 161933, 251679, 485799, 6963119, 20889357]

約数ペア:

[(1, 20889357), (3, 6963119), (43, 485799), (83, 251679), (129, 161933), (249, 83893), (1951, 10707), (3569, 5853)]