39660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{661}}^1$

素因数の和:673

約数の個数: 24

約数和(自身を含む): 111216

約数和(自身を除く): 71556

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 661, 1322, 1983, 2644, 3305, 3966, 6610, 7932, 9915, 13220, 19830, 39660]

約数ペア:

[(1, 39660), (2, 19830), (3, 13220), (4, 9915), (5, 7932), (6, 6610), (10, 3966), (12, 3305), (15, 2644), (20, 1983), (30, 1322), (60, 661)]