20437218

素因数分解:

$2^1\times 3^3\times {\mathrm{378467}}^1$

素因数の和:378478

約数の個数: 16

約数和(自身を含む): 45416160

約数和(自身を除く): 24978942

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 378467, 756934, 1135401, 2270802, 3406203, 6812406, 10218609, 20437218]

約数ペア:

[(1, 20437218), (2, 10218609), (3, 6812406), (6, 3406203), (9, 2270802), (18, 1135401), (27, 756934), (54, 378467)]