20385286

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1\times {\mathrm{1021}}^1$

素因数の和:1239

約数の個数: 16

約数和(自身を含む): 31273200

約数和(自身を除く): 10887914

約数列:

[1, 2, 67, 134, 149, 298, 1021, 2042, 9983, 19966, 68407, 136814, 152129, 304258, 10192643, 20385286]

約数ペア:

[(1, 20385286), (2, 10192643), (67, 304258), (134, 152129), (149, 136814), (298, 68407), (1021, 19966), (2042, 9983)]