20879338

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{2269}}^1$

素因数の和:2421

約数の個数: 16

約数和(自身を含む): 32361120

約数和(自身を除く): 11481782

約数列:

[1, 2, 43, 86, 107, 214, 2269, 4538, 4601, 9202, 97567, 195134, 242783, 485566, 10439669, 20879338]

約数ペア:

[(1, 20879338), (2, 10439669), (43, 485566), (86, 242783), (107, 195134), (214, 97567), (2269, 9202), (4538, 4601)]