20399368

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{3929}}^1$

素因数の和:4005

約数の個数: 32

約数和(自身を含む): 42444000

約数和(自身を除く): 22044632

約数列:

[1, 2, 4, 8, 11, 22, 44, 59, 88, 118, 236, 472, 649, 1298, 2596, 3929, 5192, 7858, 15716, 31432, 43219, 86438, 172876, 231811, 345752, 463622, 927244, 1854488, 2549921, 5099842, 10199684, 20399368]

約数ペア:

[(1, 20399368), (2, 10199684), (4, 5099842), (8, 2549921), (11, 1854488), (22, 927244), (44, 463622), (59, 345752), (88, 231811), (118, 172876), (236, 86438), (472, 43219), (649, 31432), (1298, 15716), (2596, 7858), (3929, 5192)]