20188833

素因数分解:

$3^1\times 7^2\times {\mathrm{137339}}^1$

素因数の和:137356

約数の個数: 12

約数和(自身を含む): 31313520

約数和(自身を除く): 11124687

約数列:

[1, 3, 7, 21, 49, 147, 137339, 412017, 961373, 2884119, 6729611, 20188833]

約数ペア:

[(1, 20188833), (3, 6729611), (7, 2884119), (21, 961373), (49, 412017), (147, 137339)]