20438902

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{503}}^1\times {\mathrm{1847}}^1$

素因数の和:2363

約数の個数: 16

約数和(自身を含む): 33530112

約数和(自身を除く): 13091210

約数列:

[1, 2, 11, 22, 503, 1006, 1847, 3694, 5533, 11066, 20317, 40634, 929041, 1858082, 10219451, 20438902]

約数ペア:

[(1, 20438902), (2, 10219451), (11, 1858082), (22, 929041), (503, 40634), (1006, 20317), (1847, 11066), (3694, 5533)]