20512890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{2017}}^1$

素因数の和:2143

約数の個数: 48

約数和(自身を含む): 53832168

約数和(自身を除く): 33319278

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 113, 226, 339, 565, 678, 1017, 1130, 1695, 2017, 2034, 3390, 4034, 5085, 6051, 10085, 10170, 12102, 18153, 20170, 30255, 36306, 60510, 90765, 181530, 227921, 455842, 683763, 1139605, 1367526, 2051289, 2279210, 3418815, 4102578, 6837630, 10256445, 20512890]

約数ペア:

[(1, 20512890), (2, 10256445), (3, 6837630), (5, 4102578), (6, 3418815), (9, 2279210), (10, 2051289), (15, 1367526), (18, 1139605), (30, 683763), (45, 455842), (90, 227921), (113, 181530), (226, 90765), (339, 60510), (565, 36306), (678, 30255), (1017, 20170), (1130, 18153), (1695, 12102), (2017, 10170), (2034, 10085), (3390, 6051), (4034, 5085)]