20199874

素因数分解:

$2^1\times {\mathrm{151}}^1\times {\mathrm{211}}^1\times {\mathrm{317}}^1$

素因数の和:681

約数の個数: 16

約数和(自身を含む): 30741696

約数和(自身を除く): 10541822

約数列:

[1, 2, 151, 211, 302, 317, 422, 634, 31861, 47867, 63722, 66887, 95734, 133774, 10099937, 20199874]

約数ペア:

[(1, 20199874), (2, 10099937), (151, 133774), (211, 95734), (302, 66887), (317, 63722), (422, 47867), (634, 31861)]