20982630

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{9851}}^1$

素因数の和:9932

約数の個数: 32

約数和(自身を含む): 51072768

約数和(自身を除く): 30090138

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 71, 142, 213, 355, 426, 710, 1065, 2130, 9851, 19702, 29553, 49255, 59106, 98510, 147765, 295530, 699421, 1398842, 2098263, 3497105, 4196526, 6994210, 10491315, 20982630]

約数ペア:

[(1, 20982630), (2, 10491315), (3, 6994210), (5, 4196526), (6, 3497105), (10, 2098263), (15, 1398842), (30, 699421), (71, 295530), (142, 147765), (213, 98510), (355, 59106), (426, 49255), (710, 29553), (1065, 19702), (2130, 9851)]