20184804

素因数分解:

$2^2\times 3^2\times {\mathrm{560689}}^1$

素因数の和:560699

約数の個数: 18

約数和(自身を含む): 51022790

約数和(自身を除く): 30837986

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 560689, 1121378, 1682067, 2242756, 3364134, 5046201, 6728268, 10092402, 20184804]

約数ペア:

[(1, 20184804), (2, 10092402), (3, 6728268), (4, 5046201), (6, 3364134), (9, 2242756), (12, 1682067), (18, 1121378), (36, 560689)]