20417276

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{16001}}^1$

素因数の和:16045

約数の個数: 24

約数和(自身を含む): 40325040

約数和(自身を除く): 19907764

約数列:

[1, 2, 4, 11, 22, 29, 44, 58, 116, 319, 638, 1276, 16001, 32002, 64004, 176011, 352022, 464029, 704044, 928058, 1856116, 5104319, 10208638, 20417276]

約数ペア:

[(1, 20417276), (2, 10208638), (4, 5104319), (11, 1856116), (22, 928058), (29, 704044), (44, 464029), (58, 352022), (116, 176011), (319, 64004), (638, 32002), (1276, 16001)]