20767544

素因数分解:

$2^3\times 7^1\times {\mathrm{223}}^1\times {\mathrm{1663}}^1$

素因数の和:1899

約数の個数: 32

約数和(自身を含む): 44728320

約数和(自身を除く): 23960776

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 223, 446, 892, 1561, 1663, 1784, 3122, 3326, 6244, 6652, 11641, 12488, 13304, 23282, 46564, 93128, 370849, 741698, 1483396, 2595943, 2966792, 5191886, 10383772, 20767544]

約数ペア:

[(1, 20767544), (2, 10383772), (4, 5191886), (7, 2966792), (8, 2595943), (14, 1483396), (28, 741698), (56, 370849), (223, 93128), (446, 46564), (892, 23282), (1561, 13304), (1663, 12488), (1784, 11641), (3122, 6652), (3326, 6244)]