20517338

素因数分解:

$2^1\times {\mathrm{179}}^1\times {\mathrm{223}}^1\times {\mathrm{257}}^1$

素因数の和:661

約数の個数: 16

約数和(自身を含む): 31207680

約数和(自身を除く): 10690342

約数列:

[1, 2, 179, 223, 257, 358, 446, 514, 39917, 46003, 57311, 79834, 92006, 114622, 10258669, 20517338]

約数ペア:

[(1, 20517338), (2, 10258669), (179, 114622), (223, 92006), (257, 79834), (358, 57311), (446, 46003), (514, 39917)]