9813620

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{6911}}^1$

素因数の和:6991

約数の個数: 24

約数和(自身を含む): 20901888

約数和(自身を除く): 11088268

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 6911, 13822, 27644, 34555, 69110, 138220, 490681, 981362, 1962724, 2453405, 4906810, 9813620]

約数ペア:

[(1, 9813620), (2, 4906810), (4, 2453405), (5, 1962724), (10, 981362), (20, 490681), (71, 138220), (142, 69110), (284, 34555), (355, 27644), (710, 13822), (1420, 6911)]