20129823

素因数分解:

$3^3\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1459}}^1$

素因数の和:1548

約数の個数: 32

約数和(自身を含む): 34572800

約数和(自身を除く): 14442977

約数列:

[1, 3, 7, 9, 21, 27, 63, 73, 189, 219, 511, 657, 1459, 1533, 1971, 4377, 4599, 10213, 13131, 13797, 30639, 39393, 91917, 106507, 275751, 319521, 745549, 958563, 2236647, 2875689, 6709941, 20129823]

約数ペア:

[(1, 20129823), (3, 6709941), (7, 2875689), (9, 2236647), (21, 958563), (27, 745549), (63, 319521), (73, 275751), (189, 106507), (219, 91917), (511, 39393), (657, 30639), (1459, 13797), (1533, 13131), (1971, 10213), (4377, 4599)]