20886921

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{9173}}^1$

素因数の和:9213

約数の個数: 24

約数和(自身を含む): 34347456

約数和(自身を除く): 13460535

約数列:

[1, 3, 9, 11, 23, 33, 69, 99, 207, 253, 759, 2277, 9173, 27519, 82557, 100903, 210979, 302709, 632937, 908127, 1898811, 2320769, 6962307, 20886921]

約数ペア:

[(1, 20886921), (3, 6962307), (9, 2320769), (11, 1898811), (23, 908127), (33, 632937), (69, 302709), (99, 210979), (207, 100903), (253, 82557), (759, 27519), (2277, 9173)]