20892860

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{10343}}^1$

素因数の和:10453

約数の個数: 24

約数和(自身を含む): 44313696

約数和(自身を除く): 23420836

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 10343, 20686, 41372, 51715, 103430, 206860, 1044643, 2089286, 4178572, 5223215, 10446430, 20892860]

約数ペア:

[(1, 20892860), (2, 10446430), (4, 5223215), (5, 4178572), (10, 2089286), (20, 1044643), (101, 206860), (202, 103430), (404, 51715), (505, 41372), (1010, 20686), (2020, 10343)]