20620269

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{307}}^1\times {\mathrm{439}}^1$

素因数の和:769

約数の個数: 24

約数和(自身を含む): 31711680

約数和(自身を除く): 11091411

約数列:

[1, 3, 9, 17, 51, 153, 307, 439, 921, 1317, 2763, 3951, 5219, 7463, 15657, 22389, 46971, 67167, 134773, 404319, 1212957, 2291141, 6873423, 20620269]

約数ペア:

[(1, 20620269), (3, 6873423), (9, 2291141), (17, 1212957), (51, 404319), (153, 134773), (307, 67167), (439, 46971), (921, 22389), (1317, 15657), (2763, 7463), (3951, 5219)]