20491236

素因数分解:

$2^2\times 3^2\times {\mathrm{569201}}^1$

素因数の和:569211

約数の個数: 18

約数和(自身を含む): 51797382

約数和(自身を除く): 31306146

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 569201, 1138402, 1707603, 2276804, 3415206, 5122809, 6830412, 10245618, 20491236]

約数ペア:

[(1, 20491236), (2, 10245618), (3, 6830412), (4, 5122809), (6, 3415206), (9, 2276804), (12, 1707603), (18, 1138402), (36, 569201)]