20481356

素因数分解:

$2^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{7541}}^1$

素因数の和:7649

約数の個数: 24

約数和(自身を含む): 41390496

約数和(自身を除く): 20909140

約数列:

[1, 2, 4, 7, 14, 28, 97, 194, 388, 679, 1358, 2716, 7541, 15082, 30164, 52787, 105574, 211148, 731477, 1462954, 2925908, 5120339, 10240678, 20481356]

約数ペア:

[(1, 20481356), (2, 10240678), (4, 5120339), (7, 2925908), (14, 1462954), (28, 731477), (97, 211148), (194, 105574), (388, 52787), (679, 30164), (1358, 15082), (2716, 7541)]