22168420

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{10169}}^1$

素因数の和:10287

約数の個数: 24

約数和(自身を含む): 46985400

約数和(自身を除く): 24816980

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 10169, 20338, 40676, 50845, 101690, 203380, 1108421, 2216842, 4433684, 5542105, 11084210, 22168420]

約数ペア:

[(1, 22168420), (2, 11084210), (4, 5542105), (5, 4433684), (10, 2216842), (20, 1108421), (109, 203380), (218, 101690), (436, 50845), (545, 40676), (1090, 20338), (2180, 10169)]