20703938

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{367}}^1\times {\mathrm{421}}^1$

素因数の和:857

約数の個数: 16

約数和(自身を含む): 31680384

約数和(自身を除く): 10976446

約数列:

[1, 2, 67, 134, 367, 421, 734, 842, 24589, 28207, 49178, 56414, 154507, 309014, 10351969, 20703938]

約数ペア:

[(1, 20703938), (2, 10351969), (67, 309014), (134, 154507), (367, 56414), (421, 49178), (734, 28207), (842, 24589)]