20468

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1$

素因数の和:71

約数の個数: 24

約数和(自身を含む): 44352

約数和(自身を除く): 23884

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 43, 68, 86, 119, 172, 238, 301, 476, 602, 731, 1204, 1462, 2924, 5117, 10234, 20468]

約数ペア:

[(1, 20468), (2, 10234), (4, 5117), (7, 2924), (14, 1462), (17, 1204), (28, 731), (34, 602), (43, 476), (68, 301), (86, 238), (119, 172)]