16959920

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{2099}}^1$

素因数の和:2213

約数の個数: 40

約数和(自身を含む): 39841200

約数和(自身を除く): 22881280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 404, 505, 808, 1010, 1616, 2020, 2099, 4040, 4198, 8080, 8396, 10495, 16792, 20990, 33584, 41980, 83960, 167920, 211999, 423998, 847996, 1059995, 1695992, 2119990, 3391984, 4239980, 8479960, 16959920]

約数ペア:

[(1, 16959920), (2, 8479960), (4, 4239980), (5, 3391984), (8, 2119990), (10, 1695992), (16, 1059995), (20, 847996), (40, 423998), (80, 211999), (101, 167920), (202, 83960), (404, 41980), (505, 33584), (808, 20990), (1010, 16792), (1616, 10495), (2020, 8396), (2099, 8080), (4040, 4198)]