20128856

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{228737}}^1$

素因数の和:228754

約数の個数: 16

約数和(自身を含む): 41172840

約数和(自身を除く): 21043984

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 228737, 457474, 914948, 1829896, 2516107, 5032214, 10064428, 20128856]

約数ペア:

[(1, 20128856), (2, 10064428), (4, 5032214), (8, 2516107), (11, 1829896), (22, 914948), (44, 457474), (88, 228737)]