20008149

素因数分解:

$3^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{8741}}^1$

素因数の和:8860

約数の個数: 16

約数和(自身を含む): 30771840

約数和(自身を除く): 10763691

約数列:

[1, 3, 7, 21, 109, 327, 763, 2289, 8741, 26223, 61187, 183561, 952769, 2858307, 6669383, 20008149]

約数ペア:

[(1, 20008149), (3, 6669383), (7, 2858307), (21, 952769), (109, 183561), (327, 61187), (763, 26223), (2289, 8741)]