9018462020

素因数分解:

$2^2\times 5^1\times {\mathrm{3581}}^1\times {\mathrm{125921}}^1$

素因数の和:129511

約数の個数: 24

約数和(自身を含む): 18944209368

約数和(自身を除く): 9925747348

約数列:

[1, 2, 4, 5, 10, 20, 3581, 7162, 14324, 17905, 35810, 71620, 125921, 251842, 503684, 629605, 1259210, 2518420, 450923101, 901846202, 1803692404, 2254615505, 4509231010, 9018462020]

約数ペア:

[(1, 9018462020), (2, 4509231010), (4, 2254615505), (5, 1803692404), (10, 901846202), (20, 450923101), (3581, 2518420), (7162, 1259210), (14324, 629605), (17905, 503684), (35810, 251842), (71620, 125921)]