20876812

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{617}}^1\times {\mathrm{769}}^1$

素因数の和:1401

約数の個数: 24

約数和(自身を含む): 39972240

約数和(自身を除く): 19095428

約数列:

[1, 2, 4, 11, 22, 44, 617, 769, 1234, 1538, 2468, 3076, 6787, 8459, 13574, 16918, 27148, 33836, 474473, 948946, 1897892, 5219203, 10438406, 20876812]

約数ペア:

[(1, 20876812), (2, 10438406), (4, 5219203), (11, 1897892), (22, 948946), (44, 474473), (617, 33836), (769, 27148), (1234, 16918), (1538, 13574), (2468, 8459), (3076, 6787)]