20896216

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{21587}}^1$

素因数の和:21615

約数の個数: 24

約数和(自身を含む): 43068060

約数和(自身を除く): 22171844

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 121, 242, 484, 968, 21587, 43174, 86348, 172696, 237457, 474914, 949828, 1899656, 2612027, 5224054, 10448108, 20896216]

約数ペア:

[(1, 20896216), (2, 10448108), (4, 5224054), (8, 2612027), (11, 1899656), (22, 949828), (44, 474914), (88, 237457), (121, 172696), (242, 86348), (484, 43174), (968, 21587)]