20799592

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{3329}}^1$

素因数の和:3417

約数の個数: 32

約数和(自身を含む): 43156800

約数和(自身を除く): 22357208

約数列:

[1, 2, 4, 8, 11, 22, 44, 71, 88, 142, 284, 568, 781, 1562, 3124, 3329, 6248, 6658, 13316, 26632, 36619, 73238, 146476, 236359, 292952, 472718, 945436, 1890872, 2599949, 5199898, 10399796, 20799592]

約数ペア:

[(1, 20799592), (2, 10399796), (4, 5199898), (8, 2599949), (11, 1890872), (22, 945436), (44, 472718), (71, 292952), (88, 236359), (142, 146476), (284, 73238), (568, 36619), (781, 26632), (1562, 13316), (3124, 6658), (3329, 6248)]