20155576

素因数分解:

$2^3\times 7^1\times {\mathrm{419}}^1\times {\mathrm{859}}^1$

素因数の和:1291

約数の個数: 32

約数和(自身を含む): 43344000

約数和(自身を除く): 23188424

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 419, 838, 859, 1676, 1718, 2933, 3352, 3436, 5866, 6013, 6872, 11732, 12026, 23464, 24052, 48104, 359921, 719842, 1439684, 2519447, 2879368, 5038894, 10077788, 20155576]

約数ペア:

[(1, 20155576), (2, 10077788), (4, 5038894), (7, 2879368), (8, 2519447), (14, 1439684), (28, 719842), (56, 359921), (419, 48104), (838, 24052), (859, 23464), (1676, 12026), (1718, 11732), (2933, 6872), (3352, 6013), (3436, 5866)]