20517170

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{23053}}^1$

素因数の和:23149

約数の個数: 16

約数和(自身を含む): 37347480

約数和(自身を除く): 16830310

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 23053, 46106, 115265, 230530, 2051717, 4103434, 10258585, 20517170]

約数ペア:

[(1, 20517170), (2, 10258585), (5, 4103434), (10, 2051717), (89, 230530), (178, 115265), (445, 46106), (890, 23053)]