20387168

素因数分解:

$2^5\times {\mathrm{41}}^2\times {\mathrm{379}}^1$

素因数の和:471

約数の個数: 36

約数和(自身を含む): 41248620

約数和(自身を除く): 20861452

約数列:

[1, 2, 4, 8, 16, 32, 41, 82, 164, 328, 379, 656, 758, 1312, 1516, 1681, 3032, 3362, 6064, 6724, 12128, 13448, 15539, 26896, 31078, 53792, 62156, 124312, 248624, 497248, 637099, 1274198, 2548396, 5096792, 10193584, 20387168]

約数ペア:

[(1, 20387168), (2, 10193584), (4, 5096792), (8, 2548396), (16, 1274198), (32, 637099), (41, 497248), (82, 248624), (164, 124312), (328, 62156), (379, 53792), (656, 31078), (758, 26896), (1312, 15539), (1516, 13448), (1681, 12128), (3032, 6724), (3362, 6064)]