17520020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{5441}}^1$

素因数の和:5480

約数の個数: 48

約数和(自身を含む): 43884288

約数和(自身を除く): 26364268

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 5441, 10882, 21764, 27205, 38087, 54410, 76174, 108820, 125143, 152348, 190435, 250286, 380870, 500572, 625715, 761740, 876001, 1251430, 1752002, 2502860, 3504004, 4380005, 8760010, 17520020]

約数ペア:

[(1, 17520020), (2, 8760010), (4, 4380005), (5, 3504004), (7, 2502860), (10, 1752002), (14, 1251430), (20, 876001), (23, 761740), (28, 625715), (35, 500572), (46, 380870), (70, 250286), (92, 190435), (115, 152348), (140, 125143), (161, 108820), (230, 76174), (322, 54410), (460, 38087), (644, 27205), (805, 21764), (1610, 10882), (3220, 5441)]