20451784

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{2711}}^1$

素因数の和:2781

約数の個数: 32

約数和(自身を含む): 41005440

約数和(自身を除く): 20553656

約数列:

[1, 2, 4, 8, 23, 41, 46, 82, 92, 164, 184, 328, 943, 1886, 2711, 3772, 5422, 7544, 10844, 21688, 62353, 111151, 124706, 222302, 249412, 444604, 498824, 889208, 2556473, 5112946, 10225892, 20451784]

約数ペア:

[(1, 20451784), (2, 10225892), (4, 5112946), (8, 2556473), (23, 889208), (41, 498824), (46, 444604), (82, 249412), (92, 222302), (164, 124706), (184, 111151), (328, 62353), (943, 21688), (1886, 10844), (2711, 7544), (3772, 5422)]