20192045

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{2473}}^1$

素因数の和:2572

約数の個数: 16

約数和(自身を含む): 25650432

約数和(自身を除く): 5458387

約数列:

[1, 5, 23, 71, 115, 355, 1633, 2473, 8165, 12365, 56879, 175583, 284395, 877915, 4038409, 20192045]

約数ペア:

[(1, 20192045), (5, 4038409), (23, 877915), (71, 284395), (115, 175583), (355, 56879), (1633, 12365), (2473, 8165)]