20637969

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{27191}}^1$

素因数の和:27228

約数の個数: 16

約数和(自身を含む): 31325184

約数和(自身を除く): 10687215

約数列:

[1, 3, 11, 23, 33, 69, 253, 759, 27191, 81573, 299101, 625393, 897303, 1876179, 6879323, 20637969]

約数ペア:

[(1, 20637969), (3, 6879323), (11, 1876179), (23, 897303), (33, 625393), (69, 299101), (253, 81573), (759, 27191)]