20837768

素因数分解:

$2^3\times 7^1\times {\mathrm{139}}^1\times {\mathrm{2677}}^1$

素因数の和:2829

約数の個数: 32

約数和(自身を含む): 44990400

約数和(自身を除く): 24152632

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 139, 278, 556, 973, 1112, 1946, 2677, 3892, 5354, 7784, 10708, 18739, 21416, 37478, 74956, 149912, 372103, 744206, 1488412, 2604721, 2976824, 5209442, 10418884, 20837768]

約数ペア:

[(1, 20837768), (2, 10418884), (4, 5209442), (7, 2976824), (8, 2604721), (14, 1488412), (28, 744206), (56, 372103), (139, 149912), (278, 74956), (556, 37478), (973, 21416), (1112, 18739), (1946, 10708), (2677, 7784), (3892, 5354)]