15120784

素因数分解:

$2^4\times 7^1\times {\mathrm{135007}}^1$

素因数の和:135022

約数の個数: 20

約数和(自身を含む): 33481984

約数和(自身を除く): 18361200

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 135007, 270014, 540028, 945049, 1080056, 1890098, 2160112, 3780196, 7560392, 15120784]

約数ペア:

[(1, 15120784), (2, 7560392), (4, 3780196), (7, 2160112), (8, 1890098), (14, 1080056), (16, 945049), (28, 540028), (56, 270014), (112, 135007)]