2008148420

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{921169}}^1$

素因数の和:921287

約数の個数: 24

約数和(自身を含む): 4255805400

約数和(自身を除く): 2247656980

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 921169, 1842338, 3684676, 4605845, 9211690, 18423380, 100407421, 200814842, 401629684, 502037105, 1004074210, 2008148420]

約数ペア:

[(1, 2008148420), (2, 1004074210), (4, 502037105), (5, 401629684), (10, 200814842), (20, 100407421), (109, 18423380), (218, 9211690), (436, 4605845), (545, 3684676), (1090, 1842338), (2180, 921169)]