20368792

素因数分解:

$2^3\times {\mathrm{257}}^1\times {\mathrm{9907}}^1$

素因数の和:10170

約数の個数: 16

約数和(自身を含む): 38343960

約数和(自身を除く): 17975168

約数列:

[1, 2, 4, 8, 257, 514, 1028, 2056, 9907, 19814, 39628, 79256, 2546099, 5092198, 10184396, 20368792]

約数ペア:

[(1, 20368792), (2, 10184396), (4, 5092198), (8, 2546099), (257, 79256), (514, 39628), (1028, 19814), (2056, 9907)]