20196148880

素因数分解:

$2^4\times 5^1\times {\mathrm{252451861}}^1$

素因数の和:252451874

約数の個数: 20

約数和(自身を含む): 46956046332

約数和(自身を除く): 26759897452

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 252451861, 504903722, 1009807444, 1262259305, 2019614888, 2524518610, 4039229776, 5049037220, 10098074440, 20196148880]

約数ペア:

[(1, 20196148880), (2, 10098074440), (4, 5049037220), (5, 4039229776), (8, 2524518610), (10, 2019614888), (16, 1262259305), (20, 1009807444), (40, 504903722), (80, 252451861)]