20419016

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{283}}^1\times {\mathrm{311}}^1$

素因数の和:629

約数の個数: 32

約数和(自身を含む): 39873600

約数和(自身を除く): 19454584

約数列:

[1, 2, 4, 8, 29, 58, 116, 232, 283, 311, 566, 622, 1132, 1244, 2264, 2488, 8207, 9019, 16414, 18038, 32828, 36076, 65656, 72152, 88013, 176026, 352052, 704104, 2552377, 5104754, 10209508, 20419016]

約数ペア:

[(1, 20419016), (2, 10209508), (4, 5104754), (8, 2552377), (29, 704104), (58, 352052), (116, 176026), (232, 88013), (283, 72152), (311, 65656), (566, 36076), (622, 32828), (1132, 18038), (1244, 16414), (2264, 9019), (2488, 8207)]